diff --git a/test/registered/bench_fn/test_benchmark_datasets_api.py b/test/registered/bench_fn/test_benchmark_datasets_api.py
index 46e5110e9..a85310594 100644
--- a/test/registered/bench_fn/test_benchmark_datasets_api.py
+++ b/test/registered/bench_fn/test_benchmark_datasets_api.py
@@ -36,7 +36,7 @@ from sglang.benchmark.datasets.sharegpt import sample_sharegpt_requests
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=40, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class _DummyTokenTensor:
diff --git a/test/registered/debug_utils/comparator/aligner/entrypoint/test_executor.py b/test/registered/debug_utils/comparator/aligner/entrypoint/test_executor.py
index 56ecb07d6..67a81327c 100644
--- a/test/registered/debug_utils/comparator/aligner/entrypoint/test_executor.py
+++ b/test/registered/debug_utils/comparator/aligner/entrypoint/test_executor.py
@@ -34,7 +34,7 @@ from sglang.srt.debug_utils.comparator.utils import Pair
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestExecuteSubPlans:
diff --git a/test/registered/debug_utils/comparator/aligner/entrypoint/test_planner.py b/test/registered/debug_utils/comparator/aligner/entrypoint/test_planner.py
index 5777a16e4..fa47521e3 100644
--- a/test/registered/debug_utils/comparator/aligner/entrypoint/test_planner.py
+++ b/test/registered/debug_utils/comparator/aligner/entrypoint/test_planner.py
@@ -26,7 +26,7 @@ from sglang.srt.debug_utils.comparator.utils import Pair
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 def _make_meta(
diff --git a/test/registered/debug_utils/comparator/aligner/reorderer/test_executor.py b/test/registered/debug_utils/comparator/aligner/reorderer/test_executor.py
index fa0f1ff97..88f7fa1ba 100644
--- a/test/registered/debug_utils/comparator/aligner/reorderer/test_executor.py
+++ b/test/registered/debug_utils/comparator/aligner/reorderer/test_executor.py
@@ -27,7 +27,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 def _zigzag_order(cp_size: int) -> list[int]:
diff --git a/test/registered/debug_utils/comparator/aligner/reorderer/test_planner.py b/test/registered/debug_utils/comparator/aligner/reorderer/test_planner.py
index 2f8a121e4..2c8ef9ac9 100644
--- a/test/registered/debug_utils/comparator/aligner/reorderer/test_planner.py
+++ b/test/registered/debug_utils/comparator/aligner/reorderer/test_planner.py
@@ -27,7 +27,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestComputeReordererPlans:
diff --git a/test/registered/debug_utils/comparator/aligner/test_axis_aligner.py b/test/registered/debug_utils/comparator/aligner/test_axis_aligner.py
index 9babfe87d..5a2049384 100644
--- a/test/registered/debug_utils/comparator/aligner/test_axis_aligner.py
+++ b/test/registered/debug_utils/comparator/aligner/test_axis_aligner.py
@@ -18,7 +18,7 @@ from sglang.srt.debug_utils.comparator.utils import Pair
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestComputeAxisAlignerPlan:
diff --git a/test/registered/debug_utils/comparator/aligner/token_aligner/test_aux_plugins.py b/test/registered/debug_utils/comparator/aligner/token_aligner/test_aux_plugins.py
index 71cd53c51..922e60ee9 100644
--- a/test/registered/debug_utils/comparator/aligner/token_aligner/test_aux_plugins.py
+++ b/test/registered/debug_utils/comparator/aligner/token_aligner/test_aux_plugins.py
@@ -17,7 +17,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import TokenLayout
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 _sglang_plugin = _SGLangPlugin()
 _megatron_plugin = _MegatronPlugin()
diff --git a/test/registered/debug_utils/comparator/aligner/token_aligner/test_concat_steps.py b/test/registered/debug_utils/comparator/aligner/token_aligner/test_concat_steps.py
index ff194cb2c..6b7c25a10 100644
--- a/test/registered/debug_utils/comparator/aligner/token_aligner/test_concat_steps.py
+++ b/test/registered/debug_utils/comparator/aligner/token_aligner/test_concat_steps.py
@@ -11,7 +11,7 @@ from sglang.srt.debug_utils.comparator.utils import Pair
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestExecuteConcat:
diff --git a/test/registered/debug_utils/comparator/aligner/token_aligner/test_executor.py b/test/registered/debug_utils/comparator/aligner/token_aligner/test_executor.py
index 8dc3b083a..c0134904f 100644
--- a/test/registered/debug_utils/comparator/aligner/token_aligner/test_executor.py
+++ b/test/registered/debug_utils/comparator/aligner/token_aligner/test_executor.py
@@ -30,7 +30,7 @@ from sglang.srt.debug_utils.comparator.utils import Pair
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 def _named(tensor: torch.Tensor, names: list[str]) -> torch.Tensor:
diff --git a/test/registered/debug_utils/comparator/aligner/token_aligner/test_planner.py b/test/registered/debug_utils/comparator/aligner/token_aligner/test_planner.py
index eecbc9ceb..68a156296 100644
--- a/test/registered/debug_utils/comparator/aligner/token_aligner/test_planner.py
+++ b/test/registered/debug_utils/comparator/aligner/token_aligner/test_planner.py
@@ -24,7 +24,7 @@ from sglang.srt.debug_utils.comparator.utils import Pair
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=30, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestBuildTokenIndexSGLangThd:
diff --git a/test/registered/debug_utils/comparator/aligner/unsharder/test_executor.py b/test/registered/debug_utils/comparator/aligner/unsharder/test_executor.py
index f15fb7caa..3627dce7f 100644
--- a/test/registered/debug_utils/comparator/aligner/unsharder/test_executor.py
+++ b/test/registered/debug_utils/comparator/aligner/unsharder/test_executor.py
@@ -31,7 +31,7 @@ from sglang.srt.debug_utils.comparator.output_types import ReplicatedCheckResult
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 def _name_tensors(
diff --git a/test/registered/debug_utils/comparator/aligner/unsharder/test_parallel_info.py b/test/registered/debug_utils/comparator/aligner/unsharder/test_parallel_info.py
index 81bc6062a..280cb5b3d 100644
--- a/test/registered/debug_utils/comparator/aligner/unsharder/test_parallel_info.py
+++ b/test/registered/debug_utils/comparator/aligner/unsharder/test_parallel_info.py
@@ -10,7 +10,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import ParallelAxis
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestNormalizeParallelInfo:
diff --git a/test/registered/debug_utils/comparator/aligner/unsharder/test_planner.py b/test/registered/debug_utils/comparator/aligner/unsharder/test_planner.py
index d8fbc8fd6..63965dcf2 100644
--- a/test/registered/debug_utils/comparator/aligner/unsharder/test_planner.py
+++ b/test/registered/debug_utils/comparator/aligner/unsharder/test_planner.py
@@ -20,7 +20,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import ParallelAxis, parse_dims
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestComputeUnsharderPlan:
diff --git a/test/registered/debug_utils/comparator/dims_spec/test_dim_parser.py b/test/registered/debug_utils/comparator/dims_spec/test_dim_parser.py
index 10a24a0ea..e5d5dcdd9 100644
--- a/test/registered/debug_utils/comparator/dims_spec/test_dim_parser.py
+++ b/test/registered/debug_utils/comparator/dims_spec/test_dim_parser.py
@@ -13,7 +13,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=5, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestParseDim:
diff --git a/test/registered/debug_utils/comparator/dims_spec/test_dims_parser.py b/test/registered/debug_utils/comparator/dims_spec/test_dims_parser.py
index 965b1dd1c..94eaed994 100644
--- a/test/registered/debug_utils/comparator/dims_spec/test_dims_parser.py
+++ b/test/registered/debug_utils/comparator/dims_spec/test_dims_parser.py
@@ -16,7 +16,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=5, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestSingletonDimUtilFilterOut:
diff --git a/test/registered/debug_utils/comparator/dims_spec/test_tensor_naming.py b/test/registered/debug_utils/comparator/dims_spec/test_tensor_naming.py
index fb2f5bf5a..fdfcd5e9b 100644
--- a/test/registered/debug_utils/comparator/dims_spec/test_tensor_naming.py
+++ b/test/registered/debug_utils/comparator/dims_spec/test_tensor_naming.py
@@ -15,7 +15,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=5, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestFindDimIndex:
diff --git a/test/registered/debug_utils/comparator/dims_spec/test_types.py b/test/registered/debug_utils/comparator/dims_spec/test_types.py
index 6752fc940..85506966f 100644
--- a/test/registered/debug_utils/comparator/dims_spec/test_types.py
+++ b/test/registered/debug_utils/comparator/dims_spec/test_types.py
@@ -10,7 +10,7 @@ from sglang.srt.debug_utils.comparator.dims_spec import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=5, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestDimConstants:
diff --git a/test/registered/debug_utils/comparator/tensor_comparator/test_comparator.py b/test/registered/debug_utils/comparator/tensor_comparator/test_comparator.py
index 3b1a4d382..a0b418b81 100644
--- a/test/registered/debug_utils/comparator/tensor_comparator/test_comparator.py
+++ b/test/registered/debug_utils/comparator/tensor_comparator/test_comparator.py
@@ -15,7 +15,7 @@ from sglang.srt.debug_utils.comparator.tensor_comparator.types import DiffInfo
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=20, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestComputeTensorInfo:
diff --git a/test/registered/debug_utils/comparator/tensor_comparator/test_types.py b/test/registered/debug_utils/comparator/tensor_comparator/test_types.py
index 6d5b33046..ecc4ff34b 100644
--- a/test/registered/debug_utils/comparator/tensor_comparator/test_types.py
+++ b/test/registered/debug_utils/comparator/tensor_comparator/test_types.py
@@ -22,7 +22,7 @@ from sglang.srt.debug_utils.comparator.tensor_comparator.types import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 def _make_stats(**overrides) -> TensorStats:
diff --git a/test/registered/debug_utils/comparator/test_log_sink.py b/test/registered/debug_utils/comparator/test_log_sink.py
index 624f755bf..bb664c9a4 100644
--- a/test/registered/debug_utils/comparator/test_log_sink.py
+++ b/test/registered/debug_utils/comparator/test_log_sink.py
@@ -12,7 +12,7 @@ from sglang.srt.debug_utils.comparator.report_sink import report_sink
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 def _make_error_log(**overrides) -> ErrorLog:
diff --git a/test/registered/debug_utils/comparator/test_meta_overrider.py b/test/registered/debug_utils/comparator/test_meta_overrider.py
index 73e1cdf1d..21b8900f5 100644
--- a/test/registered/debug_utils/comparator/test_meta_overrider.py
+++ b/test/registered/debug_utils/comparator/test_meta_overrider.py
@@ -17,7 +17,7 @@ from sglang.srt.debug_utils.comparator.meta_overrider import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 # ───────────────────── Unit: MetaOverrideRule ─────────────────────
diff --git a/test/registered/debug_utils/comparator/test_model_validation.py b/test/registered/debug_utils/comparator/test_model_validation.py
index e8ea309fe..555033227 100644
--- a/test/registered/debug_utils/comparator/test_model_validation.py
+++ b/test/registered/debug_utils/comparator/test_model_validation.py
@@ -45,7 +45,7 @@ from sglang.srt.debug_utils.comparator.utils import Pair, _check_equal_lengths
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestCheckEqualLengths:
diff --git a/test/registered/debug_utils/comparator/test_preset.py b/test/registered/debug_utils/comparator/test_preset.py
index cce2c91e4..5d699c632 100644
--- a/test/registered/debug_utils/comparator/test_preset.py
+++ b/test/registered/debug_utils/comparator/test_preset.py
@@ -4,7 +4,7 @@ from sglang.srt.debug_utils.comparator.preset import PRESETS, expand_preset
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=5, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestExpandPreset:
diff --git a/test/registered/debug_utils/comparator/test_utils.py b/test/registered/debug_utils/comparator/test_utils.py
index c6710d650..4201e5aea 100644
--- a/test/registered/debug_utils/comparator/test_utils.py
+++ b/test/registered/debug_utils/comparator/test_utils.py
@@ -18,7 +18,7 @@ from sglang.srt.debug_utils.comparator.utils import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestCalcRelDiff:
diff --git a/test/registered/debug_utils/source_patcher/test_code_patcher.py b/test/registered/debug_utils/source_patcher/test_code_patcher.py
index ef076f1d2..327c5e446 100644
--- a/test/registered/debug_utils/source_patcher/test_code_patcher.py
+++ b/test/registered/debug_utils/source_patcher/test_code_patcher.py
@@ -11,7 +11,7 @@ from sglang.srt.debug_utils.source_patcher.types import EditSpec, PatchSpec
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 SAMPLE_MODULE_NAME = "_source_patcher_test_fixtures.sample_module"
 
diff --git a/test/registered/debug_utils/source_patcher/test_dumper_integration.py b/test/registered/debug_utils/source_patcher/test_dumper_integration.py
index 9197cebe6..83b226486 100644
--- a/test/registered/debug_utils/source_patcher/test_dumper_integration.py
+++ b/test/registered/debug_utils/source_patcher/test_dumper_integration.py
@@ -9,7 +9,7 @@ from sglang.srt.debug_utils.dumper import DumperConfig, _Dumper
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 SAMPLE_MODULE_NAME = "_source_patcher_test_fixtures.sample_module"
 
diff --git a/test/registered/debug_utils/source_patcher/test_source_editor.py b/test/registered/debug_utils/source_patcher/test_source_editor.py
index 09e25f38c..daf485f18 100644
--- a/test/registered/debug_utils/source_patcher/test_source_editor.py
+++ b/test/registered/debug_utils/source_patcher/test_source_editor.py
@@ -6,7 +6,7 @@ from sglang.srt.debug_utils.source_patcher.types import EditSpec, PatchApplicati
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestApplyEdits:
diff --git a/test/registered/debug_utils/test_crash_dump.py b/test/registered/debug_utils/test_crash_dump.py
index 1137899f6..232c4386d 100644
--- a/test/registered/debug_utils/test_crash_dump.py
+++ b/test/registered/debug_utils/test_crash_dump.py
@@ -23,7 +23,7 @@ from sglang.test.test_utils import (
 
 register_cuda_ci(est_time=40, suite="nightly-1-gpu", nightly=True)
 register_amd_ci(est_time=40, suite="nightly-amd-1-gpu", nightly=True)
-register_cpu_ci(est_time=225, suite="base-b-test-cpu")
+register_cpu_ci(est_time=225, suite="base-c-test-cpu")
 
 
 class TestCrashDump(CustomTestCase):
diff --git a/test/registered/debug_utils/test_schedule_simulator.py b/test/registered/debug_utils/test_schedule_simulator.py
index ca05cb77b..045e46a3d 100644
--- a/test/registered/debug_utils/test_schedule_simulator.py
+++ b/test/registered/debug_utils/test_schedule_simulator.py
@@ -26,7 +26,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=120, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=338, suite="base-b-test-cpu")
+register_cpu_ci(est_time=338, suite="base-c-test-cpu")
 
 # ==================== Non-E2E Tests ====================
 
diff --git a/test/registered/debug_utils/test_soft_watchdog.py b/test/registered/debug_utils/test_soft_watchdog.py
index d6020b81f..46f4bad2e 100644
--- a/test/registered/debug_utils/test_soft_watchdog.py
+++ b/test/registered/debug_utils/test_soft_watchdog.py
@@ -19,7 +19,7 @@ from sglang.test.test_utils import (
 
 register_cuda_ci(est_time=120, suite="nightly-1-gpu", nightly=True)
 register_amd_ci(est_time=120, suite="nightly-amd-1-gpu", nightly=True)
-register_cpu_ci(est_time=622, suite="base-b-test-cpu")
+register_cpu_ci(est_time=622, suite="base-c-test-cpu")
 
 
 class BaseTestSoftWatchdog:
diff --git a/test/registered/function_call/test_kimik2_detector.py b/test/registered/function_call/test_kimik2_detector.py
index 736ed1624..8a5228edc 100644
--- a/test/registered/function_call/test_kimik2_detector.py
+++ b/test/registered/function_call/test_kimik2_detector.py
@@ -12,7 +12,7 @@ from sglang.srt.parser.reasoning_parser import KimiK2Detector as KimiK2Reasoning
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(5, "base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 def _make_tool(name, parameters=None):
diff --git a/test/registered/kv_canary/test_e2e_base.py b/test/registered/kv_canary/test_e2e_base.py
index 452dcfb99..3581895a7 100644
--- a/test/registered/kv_canary/test_e2e_base.py
+++ b/test/registered/kv_canary/test_e2e_base.py
@@ -8,7 +8,7 @@ from sglang.test.kv_canary.e2e_base import (
 )
 from sglang.test.test_utils import CustomTestCase
 
-register_cpu_ci(est_time=1, suite="base-b-test-cpu")
+register_cpu_ci(est_time=1, suite="base-c-test-cpu")
 
 
 class TestCanaryE2EBase(CustomTestCase):
diff --git a/test/registered/kv_canary/test_self_unit_e2e_base.py b/test/registered/kv_canary/test_self_unit_e2e_base.py
index 45d1fc936..3fb176eae 100644
--- a/test/registered/kv_canary/test_self_unit_e2e_base.py
+++ b/test/registered/kv_canary/test_self_unit_e2e_base.py
@@ -8,7 +8,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.kv_canary.e2e_base import CanaryE2EBase
 from sglang.test.test_utils import CustomTestCase
 
-register_cpu_ci(est_time=5, suite="base-b-test-cpu")
+register_cpu_ci(est_time=5, suite="base-c-test-cpu")
 
 
 _GOOD_LINE: str = SwaDivergenceLog(
diff --git a/test/registered/lora/test_lora_eviction_policy.py b/test/registered/lora/test_lora_eviction_policy.py
index 218b7ccfe..4b4923a32 100644
--- a/test/registered/lora/test_lora_eviction_policy.py
+++ b/test/registered/lora/test_lora_eviction_policy.py
@@ -29,7 +29,7 @@ from sglang.test.ci.ci_register import (
 
 register_cuda_ci(est_time=200, suite="nightly-1-gpu", nightly=True)
 register_amd_ci(est_time=200, suite="nightly-amd-1-gpu", nightly=True)
-register_cpu_ci(est_time=6, suite="base-b-test-cpu")
+register_cpu_ci(est_time=6, suite="base-c-test-cpu")
 register_xpu_ci(est_time=10, suite="stage-a-test-1-gpu-xpu")
 
 
diff --git a/test/registered/lora/test_lora_openai_api.py b/test/registered/lora/test_lora_openai_api.py
index 1ccf23262..53f3fd397 100644
--- a/test/registered/lora/test_lora_openai_api.py
+++ b/test/registered/lora/test_lora_openai_api.py
@@ -18,7 +18,7 @@ from sglang.test.ci.ci_register import (
 
 register_cuda_ci(est_time=30, suite="nightly-1-gpu", nightly=True)
 register_amd_ci(est_time=30, suite="nightly-amd-1-gpu", nightly=True)
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class MockTokenizerManager:
diff --git a/test/registered/model_loading/test_external_models.py b/test/registered/model_loading/test_external_models.py
index efa1a4968..92cb8e472 100644
--- a/test/registered/model_loading/test_external_models.py
+++ b/test/registered/model_loading/test_external_models.py
@@ -11,7 +11,7 @@ from sglang.test.test_utils import CustomTestCase
 
 register_cuda_ci(est_time=29, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=45, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=203, suite="base-b-test-cpu")
+register_cpu_ci(est_time=203, suite="base-c-test-cpu")
 
 
 class TestExternalModels(CustomTestCase):
diff --git a/test/registered/models/test_transformers_backend_eval.py b/test/registered/models/test_transformers_backend_eval.py
index 371e50cac..9ebd5bbe1 100644
--- a/test/registered/models/test_transformers_backend_eval.py
+++ b/test/registered/models/test_transformers_backend_eval.py
@@ -13,7 +13,7 @@ from sglang.test.server_fixtures.default_fixture import DefaultServerBase
 
 register_cuda_ci(est_time=48, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=48, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=320, suite="base-b-test-cpu")
+register_cpu_ci(est_time=320, suite="base-c-test-cpu")
 
 
 class TestTransformersBackendEval(DefaultServerBase):
diff --git a/test/registered/observability/test_priority_metrics.py b/test/registered/observability/test_priority_metrics.py
index d6972698c..31eefc299 100644
--- a/test/registered/observability/test_priority_metrics.py
+++ b/test/registered/observability/test_priority_metrics.py
@@ -26,7 +26,7 @@ register_cuda_ci(
     runner_config="1-gpu-small",
 )
 register_amd_ci(est_time=60, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=179, suite="base-b-test-cpu")
+register_cpu_ci(est_time=179, suite="base-c-test-cpu")
 
 _MODEL_NAME = "Qwen/Qwen3-0.6B"
 
diff --git a/test/registered/quant/test_quant_config_parsing.py b/test/registered/quant/test_quant_config_parsing.py
index e1597b8da..a27e56619 100644
--- a/test/registered/quant/test_quant_config_parsing.py
+++ b/test/registered/quant/test_quant_config_parsing.py
@@ -6,7 +6,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestQuantLogString(CustomTestCase):
diff --git a/test/registered/rl/test_pause_generation_tensor_consistency.py b/test/registered/rl/test_pause_generation_tensor_consistency.py
index 45d4950cd..0bd3902c5 100644
--- a/test/registered/rl/test_pause_generation_tensor_consistency.py
+++ b/test/registered/rl/test_pause_generation_tensor_consistency.py
@@ -10,7 +10,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 # ---------------------------------------------------------------------------
diff --git a/test/registered/scheduler/test_abort_with_metrics.py b/test/registered/scheduler/test_abort_with_metrics.py
index 4ff271be0..387983804 100644
--- a/test/registered/scheduler/test_abort_with_metrics.py
+++ b/test/registered/scheduler/test_abort_with_metrics.py
@@ -19,7 +19,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 _HTTP_SCOPE = {
     "type": "http",
diff --git a/test/registered/scheduler/test_routing_key_scheduling.py b/test/registered/scheduler/test_routing_key_scheduling.py
index 2e6c487be..c4411d53a 100644
--- a/test/registered/scheduler/test_routing_key_scheduling.py
+++ b/test/registered/scheduler/test_routing_key_scheduling.py
@@ -22,7 +22,7 @@ from sglang.test.test_utils import (
 
 register_cuda_ci(est_time=120, suite="nightly-1-gpu", nightly=True)
 register_amd_ci(est_time=120, suite="nightly-amd-1-gpu", nightly=True)
-register_cpu_ci(est_time=184, suite="base-b-test-cpu")
+register_cpu_ci(est_time=184, suite="base-c-test-cpu")
 
 
 class TestRoutingKeyScheduling(CustomTestCase):
diff --git a/test/registered/unit/bench/test_mixed_prefix_gsm8k.py b/test/registered/unit/bench/test_mixed_prefix_gsm8k.py
index fb4b39bfb..4338f13ed 100644
--- a/test/registered/unit/bench/test_mixed_prefix_gsm8k.py
+++ b/test/registered/unit/bench/test_mixed_prefix_gsm8k.py
@@ -9,7 +9,7 @@ from sglang.test.simple_eval_gsm8k import get_one_example
 from sglang.test.simple_eval_mixed_prefix_gsm8k import MixedPrefixGSM8KEval
 from sglang.test.test_utils import CustomTestCase
 
-register_cpu_ci(est_time=5, suite="base-b-test-cpu")
+register_cpu_ci(est_time=5, suite="base-c-test-cpu")
 
 
 def _write_synthetic_dataset(path: str, n: int) -> None:
diff --git a/test/registered/unit/constrained/test_grammar_manager.py b/test/registered/unit/constrained/test_grammar_manager.py
index 1358dfd5d..b34abb4f5 100644
--- a/test/registered/unit/constrained/test_grammar_manager.py
+++ b/test/registered/unit/constrained/test_grammar_manager.py
@@ -28,7 +28,7 @@ from sglang.srt.constrained.reasoner_grammar_backend import ReasonerGrammarObjec
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(2.0, "base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 def _make_scheduler(grammar_backend_name="none", skip_tokenizer=False):
diff --git a/test/registered/unit/constrained/test_reasoner_grammar_backend.py b/test/registered/unit/constrained/test_reasoner_grammar_backend.py
index 13d122dee..b0cb49e0b 100644
--- a/test/registered/unit/constrained/test_reasoner_grammar_backend.py
+++ b/test/registered/unit/constrained/test_reasoner_grammar_backend.py
@@ -16,7 +16,7 @@ from sglang.srt.constrained.torch_ops.token_filter_torch_ops import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(2.0, "base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class _DummyTokenizer:
diff --git a/test/registered/unit/constrained/test_utils.py b/test/registered/unit/constrained/test_utils.py
index eba586fdd..257ea4db9 100644
--- a/test/registered/unit/constrained/test_utils.py
+++ b/test/registered/unit/constrained/test_utils.py
@@ -15,7 +15,7 @@ from sglang.srt.constrained.utils import is_legacy_structural_tag
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(1.0, "base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestIsLegacyStructuralTag(unittest.TestCase):
diff --git a/test/registered/unit/entrypoints/openai/test_serving_embedding.py b/test/registered/unit/entrypoints/openai/test_serving_embedding.py
index ec939f82b..46b5802c9 100644
--- a/test/registered/unit/entrypoints/openai/test_serving_embedding.py
+++ b/test/registered/unit/entrypoints/openai/test_serving_embedding.py
@@ -57,7 +57,7 @@ from sglang.srt.managers.io_struct import EmbeddingReqInput
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 # Mock TokenizerManager for embedding tests
diff --git a/test/registered/unit/function_call/test_function_call_parser.py b/test/registered/unit/function_call/test_function_call_parser.py
index a8502b77d..d9edb5a2b 100644
--- a/test/registered/unit/function_call/test_function_call_parser.py
+++ b/test/registered/unit/function_call/test_function_call_parser.py
@@ -32,7 +32,7 @@ from sglang.srt.function_call.qwen3_coder_detector import Qwen3CoderDetector
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu")
-register_cpu_ci(est_time=61, suite="base-b-test-cpu")
+register_cpu_ci(est_time=61, suite="base-c-test-cpu")
 
 
 class TestPythonicDetector(unittest.TestCase):
diff --git a/test/registered/unit/function_call/test_json_schema_constraint.py b/test/registered/unit/function_call/test_json_schema_constraint.py
index 0ae82feb2..ffeb64304 100644
--- a/test/registered/unit/function_call/test_json_schema_constraint.py
+++ b/test/registered/unit/function_call/test_json_schema_constraint.py
@@ -19,7 +19,7 @@ from sglang.srt.function_call.utils import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(5, "base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestJsonSchemaConstraint(unittest.TestCase):
diff --git a/test/registered/unit/function_call/test_parallel_tool_calls.py b/test/registered/unit/function_call/test_parallel_tool_calls.py
index 53e8b200f..ba3f88c27 100644
--- a/test/registered/unit/function_call/test_parallel_tool_calls.py
+++ b/test/registered/unit/function_call/test_parallel_tool_calls.py
@@ -24,7 +24,7 @@ from sglang.srt.function_call.json_array_parser import JsonArrayParser
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(5, "base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestParallelToolCalls(unittest.TestCase):
diff --git a/test/registered/unit/function_call/test_unknown_tool_name.py b/test/registered/unit/function_call/test_unknown_tool_name.py
index 05c603581..6bf8d56da 100644
--- a/test/registered/unit/function_call/test_unknown_tool_name.py
+++ b/test/registered/unit/function_call/test_unknown_tool_name.py
@@ -10,7 +10,7 @@ from sglang.srt.function_call.core_types import StreamingParseResult
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(5, "base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class DummyDetector(BaseFormatDetector):
diff --git a/test/registered/unit/layers/moe/test_aiter_runner.py b/test/registered/unit/layers/moe/test_aiter_runner.py
index dd749f400..500b52c7e 100644
--- a/test/registered/unit/layers/moe/test_aiter_runner.py
+++ b/test/registered/unit/layers/moe/test_aiter_runner.py
@@ -14,7 +14,7 @@ from sglang.srt.layers.moe.moe_runner.aiter import (
 from sglang.srt.layers.moe.moe_runner.base import MoeRunnerConfig
 from sglang.test.ci.ci_register import register_cpu_ci
 
-register_cpu_ci(est_time=5, suite="base-b-test-cpu")
+register_cpu_ci(est_time=5, suite="base-c-test-cpu")
 
 
 def _runner_input():
diff --git a/test/registered/unit/managers/test_io_struct.py b/test/registered/unit/managers/test_io_struct.py
index 85496ce8e..8e3242c9d 100644
--- a/test/registered/unit/managers/test_io_struct.py
+++ b/test/registered/unit/managers/test_io_struct.py
@@ -15,7 +15,7 @@ from sglang.test.test_utils import (
 
 register_cuda_ci(est_time=8, stage="base-b", runner_config="1-gpu-large")
 register_amd_ci(est_time=8, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestGenerateReqInputNormalization(CustomTestCase):
diff --git a/test/registered/unit/managers/test_prefill_adder.py b/test/registered/unit/managers/test_prefill_adder.py
index ded85b1fb..7dcc1b477 100644
--- a/test/registered/unit/managers/test_prefill_adder.py
+++ b/test/registered/unit/managers/test_prefill_adder.py
@@ -18,7 +18,7 @@ from sglang.test.test_utils import CustomTestCase
 
 register_cuda_ci(est_time=9, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=2, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestPrefillAdder(CustomTestCase):
diff --git a/test/registered/unit/managers/test_profile_merger_http_api.py b/test/registered/unit/managers/test_profile_merger_http_api.py
index 92aebef3e..1c9dc09e6 100644
--- a/test/registered/unit/managers/test_profile_merger_http_api.py
+++ b/test/registered/unit/managers/test_profile_merger_http_api.py
@@ -10,7 +10,7 @@ from sglang.test.ci.ci_register import (
 
 register_cuda_ci(est_time=8, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=9, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestProfileMergerHTTPAPI(unittest.TestCase):
diff --git a/test/registered/unit/managers/test_scheduler_flush_cache.py b/test/registered/unit/managers/test_scheduler_flush_cache.py
index 2e11f89c0..d80868762 100644
--- a/test/registered/unit/managers/test_scheduler_flush_cache.py
+++ b/test/registered/unit/managers/test_scheduler_flush_cache.py
@@ -13,7 +13,7 @@ from sglang.srt.managers.scheduler_components.flush_wrapper import (
 )
 
 register_cpu_ci(est_time=14, suite="base-a-test-cpu")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestSchedulerFlushCache(unittest.TestCase):
diff --git a/test/registered/unit/managers/test_scheduler_pause_generation.py b/test/registered/unit/managers/test_scheduler_pause_generation.py
index 7b3e9b20b..f456e35a4 100644
--- a/test/registered/unit/managers/test_scheduler_pause_generation.py
+++ b/test/registered/unit/managers/test_scheduler_pause_generation.py
@@ -12,7 +12,7 @@ from sglang.srt.managers.scheduler import Scheduler
 from sglang.srt.managers.scheduler_components.pool_stats_observer import PoolStats
 
 register_cpu_ci(est_time=15, suite="base-a-test-cpu")
-register_cpu_ci(est_time=9, suite="base-b-test-cpu")
+register_cpu_ci(est_time=9, suite="base-c-test-cpu")
 
 
 class TestSchedulerPauseGeneration(unittest.TestCase):
diff --git a/test/registered/unit/mem_cache/test_evict_policy.py b/test/registered/unit/mem_cache/test_evict_policy.py
index ddcb6b5e4..95a34b39c 100644
--- a/test/registered/unit/mem_cache/test_evict_policy.py
+++ b/test/registered/unit/mem_cache/test_evict_policy.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 import unittest
 from unittest.mock import MagicMock
diff --git a/test/registered/unit/mem_cache/test_radix_cache_slru_accuracy.py b/test/registered/unit/mem_cache/test_radix_cache_slru_accuracy.py
index 141360006..b4a395d72 100644
--- a/test/registered/unit/mem_cache/test_radix_cache_slru_accuracy.py
+++ b/test/registered/unit/mem_cache/test_radix_cache_slru_accuracy.py
@@ -20,7 +20,7 @@ from sglang.test.ci.ci_register import (
 
 register_cuda_ci(est_time=8, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=8, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestSLRUAccuracy(unittest.TestCase):
diff --git a/test/registered/unit/models/test_llava.py b/test/registered/unit/models/test_llava.py
index 22582f945..c9ec27345 100644
--- a/test/registered/unit/models/test_llava.py
+++ b/test/registered/unit/models/test_llava.py
@@ -11,7 +11,7 @@ from sglang.test.test_utils import CustomTestCase
 
 register_cuda_ci(est_time=9, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=9, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class PixtralVisionConfig:
diff --git a/test/registered/unit/observability/test_cpu_monitor.py b/test/registered/unit/observability/test_cpu_monitor.py
index 3c37109ba..b80c10ac9 100644
--- a/test/registered/unit/observability/test_cpu_monitor.py
+++ b/test/registered/unit/observability/test_cpu_monitor.py
@@ -7,7 +7,7 @@ from unittest.mock import MagicMock, patch
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=60, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestCpuMonitor(unittest.TestCase):
diff --git a/test/registered/unit/observability/test_func_timer.py b/test/registered/unit/observability/test_func_timer.py
index e87024954..43171bc1c 100644
--- a/test/registered/unit/observability/test_func_timer.py
+++ b/test/registered/unit/observability/test_func_timer.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 import asyncio
 import unittest
diff --git a/test/registered/unit/observability/test_label_transform.py b/test/registered/unit/observability/test_label_transform.py
index 94def2381..e6e4c664e 100644
--- a/test/registered/unit/observability/test_label_transform.py
+++ b/test/registered/unit/observability/test_label_transform.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 import unittest
 
diff --git a/test/registered/unit/observability/test_metrics_utils.py b/test/registered/unit/observability/test_metrics_utils.py
index 5015ded9e..52a578598 100644
--- a/test/registered/unit/observability/test_metrics_utils.py
+++ b/test/registered/unit/observability/test_metrics_utils.py
@@ -7,7 +7,7 @@ from sglang.srt.observability.utils import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestMetricsUtils(unittest.TestCase):
diff --git a/test/registered/unit/observability/test_request_metrics_exporter.py b/test/registered/unit/observability/test_request_metrics_exporter.py
index 3794d4670..d95136ee4 100644
--- a/test/registered/unit/observability/test_request_metrics_exporter.py
+++ b/test/registered/unit/observability/test_request_metrics_exporter.py
@@ -6,7 +6,7 @@ from typing import Any, Dict, List, Optional
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 import asyncio
 import json
diff --git a/test/registered/unit/observability/test_startup_func_log_and_timer.py b/test/registered/unit/observability/test_startup_func_log_and_timer.py
index e01cca1c3..6b72246de 100644
--- a/test/registered/unit/observability/test_startup_func_log_and_timer.py
+++ b/test/registered/unit/observability/test_startup_func_log_and_timer.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 import unittest
 from unittest.mock import MagicMock, patch
diff --git a/test/registered/unit/parser/test_code_completion_parser.py b/test/registered/unit/parser/test_code_completion_parser.py
index 46fedcebc..5614b4870 100644
--- a/test/registered/unit/parser/test_code_completion_parser.py
+++ b/test/registered/unit/parser/test_code_completion_parser.py
@@ -19,7 +19,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestFimPosition(CustomTestCase):
diff --git a/test/registered/unit/parser/test_conversation.py b/test/registered/unit/parser/test_conversation.py
index 98c3a8bc5..e5986b077 100644
--- a/test/registered/unit/parser/test_conversation.py
+++ b/test/registered/unit/parser/test_conversation.py
@@ -33,7 +33,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestConversationGetPrompt(CustomTestCase):
diff --git a/test/registered/unit/parser/test_harmony_parser.py b/test/registered/unit/parser/test_harmony_parser.py
index d466ed1c5..f6769597b 100644
--- a/test/registered/unit/parser/test_harmony_parser.py
+++ b/test/registered/unit/parser/test_harmony_parser.py
@@ -15,7 +15,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestEvent(CustomTestCase):
diff --git a/test/registered/unit/parser/test_jinja_template_utils.py b/test/registered/unit/parser/test_jinja_template_utils.py
index 3a25d9aca..cda2de122 100644
--- a/test/registered/unit/parser/test_jinja_template_utils.py
+++ b/test/registered/unit/parser/test_jinja_template_utils.py
@@ -10,7 +10,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestTemplateContentFormatDetection(CustomTestCase):
diff --git a/test/registered/unit/parser/test_reasoning_content_without_parser.py b/test/registered/unit/parser/test_reasoning_content_without_parser.py
index 071d28ce7..efe0eb332 100644
--- a/test/registered/unit/parser/test_reasoning_content_without_parser.py
+++ b/test/registered/unit/parser/test_reasoning_content_without_parser.py
@@ -5,7 +5,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 # Simulated model output that contains think tags (e.g. from DeepSeek-R1)
 THINK_OUTPUT = (
diff --git a/test/registered/unit/sampling/test_custom_logit_processor.py b/test/registered/unit/sampling/test_custom_logit_processor.py
index 802b150a6..d6dd07565 100644
--- a/test/registered/unit/sampling/test_custom_logit_processor.py
+++ b/test/registered/unit/sampling/test_custom_logit_processor.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 import json
 import unittest
diff --git a/test/registered/unit/sampling/test_penaltylib.py b/test/registered/unit/sampling/test_penaltylib.py
index 9a5c4d6a1..d29b04b0f 100644
--- a/test/registered/unit/sampling/test_penaltylib.py
+++ b/test/registered/unit/sampling/test_penaltylib.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=9, suite="base-a-test-cpu")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 import unittest
 from unittest.mock import MagicMock
diff --git a/test/registered/unit/sampling/test_sampling_batch_info.py b/test/registered/unit/sampling/test_sampling_batch_info.py
index adc3bf40f..023bf93bb 100644
--- a/test/registered/unit/sampling/test_sampling_batch_info.py
+++ b/test/registered/unit/sampling/test_sampling_batch_info.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=9, suite="base-a-test-cpu")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 import unittest
 from unittest.mock import MagicMock, patch
diff --git a/test/registered/unit/sampling/test_sampling_params.py b/test/registered/unit/sampling/test_sampling_params.py
index 2b1236cfd..02993b162 100644
--- a/test/registered/unit/sampling/test_sampling_params.py
+++ b/test/registered/unit/sampling/test_sampling_params.py
@@ -3,7 +3,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci, register_xpu_ci
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 register_xpu_ci(est_time=10, suite="stage-a-test-1-gpu-xpu")
 
 import unittest
diff --git a/test/registered/unit/server_args/test_server_args.py b/test/registered/unit/server_args/test_server_args.py
index 4af1f3c51..a06071e19 100644
--- a/test/registered/unit/server_args/test_server_args.py
+++ b/test/registered/unit/server_args/test_server_args.py
@@ -23,7 +23,7 @@ from sglang.test.test_utils import (
 )
 
 register_cpu_ci(est_time=10, suite="base-a-test-cpu")
-register_cpu_ci(est_time=12, suite="base-b-test-cpu")
+register_cpu_ci(est_time=12, suite="base-c-test-cpu")
 
 # Mock get_device() so all tests run on CPU-only CI runners
 _mock_device = patch("sglang.srt.server_args.get_device", return_value="cuda")
diff --git a/test/registered/unit/test_runai_utils.py b/test/registered/unit/test_runai_utils.py
index 184d5922e..23daa4c25 100644
--- a/test/registered/unit/test_runai_utils.py
+++ b/test/registered/unit/test_runai_utils.py
@@ -7,7 +7,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestRunaiUtils(CustomTestCase):
diff --git a/test/registered/unit/utils/test_gauge_histogram.py b/test/registered/unit/utils/test_gauge_histogram.py
index a59e3863a..fac97402a 100644
--- a/test/registered/unit/utils/test_gauge_histogram.py
+++ b/test/registered/unit/utils/test_gauge_histogram.py
@@ -1,7 +1,7 @@
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 import unittest
 
diff --git a/test/registered/unit/utils/test_http_server_auth.py b/test/registered/unit/utils/test_http_server_auth.py
index f561704bf..6cfb3902c 100644
--- a/test/registered/unit/utils/test_http_server_auth.py
+++ b/test/registered/unit/utils/test_http_server_auth.py
@@ -11,7 +11,7 @@ from sglang.srt.utils.auth import AuthLevel, decide_request_auth
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestHttpServerAdminAuth(unittest.TestCase):
diff --git a/test/registered/unit/utils/test_json_response.py b/test/registered/unit/utils/test_json_response.py
index 285c9860b..f99d6cea3 100644
--- a/test/registered/unit/utils/test_json_response.py
+++ b/test/registered/unit/utils/test_json_response.py
@@ -11,7 +11,7 @@ from sglang.srt.utils.json_response import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestJSONResponseUtils(unittest.TestCase):
diff --git a/test/registered/unit/utils/test_patch_tokenizer.py b/test/registered/unit/utils/test_patch_tokenizer.py
index 31b9548e6..cdd3ed79d 100644
--- a/test/registered/unit/utils/test_patch_tokenizer.py
+++ b/test/registered/unit/utils/test_patch_tokenizer.py
@@ -12,7 +12,7 @@ from sglang.srt.utils.patch_tokenizer import (
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=30, suite="base-a-test-cpu", nightly=True)
-register_cpu_ci(est_time=53, suite="base-b-test-cpu")
+register_cpu_ci(est_time=53, suite="base-c-test-cpu")
 
 
 class TestPatchTokenizerEndToEndTest(unittest.TestCase):
diff --git a/test/registered/unit/utils/test_profile_merger.py b/test/registered/unit/utils/test_profile_merger.py
index eb4cb9bcb..fd4d9b1b0 100644
--- a/test/registered/unit/utils/test_profile_merger.py
+++ b/test/registered/unit/utils/test_profile_merger.py
@@ -23,7 +23,7 @@ from sglang.test.ci.ci_register import (
 
 register_cuda_ci(est_time=9, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=8, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestProfileMerger(unittest.TestCase):
diff --git a/test/registered/unit/utils/test_subprocess_watchdog.py b/test/registered/unit/utils/test_subprocess_watchdog.py
index 1a0e394d1..d486a2d48 100644
--- a/test/registered/unit/utils/test_subprocess_watchdog.py
+++ b/test/registered/unit/utils/test_subprocess_watchdog.py
@@ -25,7 +25,7 @@ from sglang.test.ci.ci_register import register_cpu_ci
 from sglang.test.test_utils import CustomTestCase
 
 register_cpu_ci(est_time=9, suite="base-a-test-cpu")
-register_cpu_ci(est_time=9, suite="base-b-test-cpu")
+register_cpu_ci(est_time=9, suite="base-c-test-cpu")
 
 
 def healthy_worker():
diff --git a/test/registered/utils/test_log_utils.py b/test/registered/utils/test_log_utils.py
index c2af41436..021a59627 100644
--- a/test/registered/utils/test_log_utils.py
+++ b/test/registered/utils/test_log_utils.py
@@ -11,7 +11,7 @@ from sglang.srt.utils.log_utils import create_log_targets, log_json
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=6, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 _LOG_PREFIX_RE = re.compile(r"^\[\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\] ")
 
diff --git a/test/registered/utils/test_model_file_verifier.py b/test/registered/utils/test_model_file_verifier.py
index 5217612c0..7cb87cc24 100644
--- a/test/registered/utils/test_model_file_verifier.py
+++ b/test/registered/utils/test_model_file_verifier.py
@@ -29,7 +29,7 @@ from sglang.test.test_utils import (
 
 # Note: AMD registration removed - test_model_file_verifier fails on AMD
 register_cuda_ci(est_time=120, suite="nightly-1-gpu", nightly=True)
-register_cpu_ci(est_time=540, suite="base-b-test-cpu")
+register_cpu_ci(est_time=540, suite="base-c-test-cpu")
 
 MODEL_NAME = "Qwen/Qwen3-0.6B"
 
diff --git a/test/registered/utils/test_network_address.py b/test/registered/utils/test_network_address.py
index 765f6b381..09e3b8068 100644
--- a/test/registered/utils/test_network_address.py
+++ b/test/registered/utils/test_network_address.py
@@ -7,7 +7,7 @@ from sglang.srt.utils.network import NetworkAddress, is_zmq_endpoint_ipv6
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 # Mock get_device() so ServerArgs tests run on CPU-only CI runners
 _mock_device = patch("sglang.srt.server_args.get_device", return_value="cuda")
diff --git a/test/registered/utils/test_socket_utils.py b/test/registered/utils/test_socket_utils.py
index 56a4a557f..1b52c631c 100644
--- a/test/registered/utils/test_socket_utils.py
+++ b/test/registered/utils/test_socket_utils.py
@@ -16,7 +16,7 @@ from sglang.test.test_utils import CustomTestCase
 from sglang.utils import normalize_base_url, release_port, reserve_port
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class TestTryBindSocket(CustomTestCase):
diff --git a/test/registered/utils/test_type_based_dispatcher.py b/test/registered/utils/test_type_based_dispatcher.py
index d79e0c8f9..430e9ea4e 100644
--- a/test/registered/utils/test_type_based_dispatcher.py
+++ b/test/registered/utils/test_type_based_dispatcher.py
@@ -12,7 +12,7 @@ from sglang.test.ci.ci_register import register_amd_ci, register_cpu_ci
 from sglang.utils import TypeBasedDispatcher
 
 register_amd_ci(est_time=10, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 class TestTypeBasedDispatcher(unittest.TestCase):
diff --git a/test/registered/vlm/test_evs.py b/test/registered/vlm/test_evs.py
index f3f21d0b6..95c5145a7 100644
--- a/test/registered/vlm/test_evs.py
+++ b/test/registered/vlm/test_evs.py
@@ -12,7 +12,7 @@ from sglang.test.test_utils import run_doctests
 
 register_cuda_ci(est_time=11, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=20, suite="stage-b-test-1-gpu-small-amd")
-register_cpu_ci(est_time=8, suite="base-b-test-cpu")
+register_cpu_ci(est_time=8, suite="base-c-test-cpu")
 
 
 def test_resolve_evs_config():
diff --git a/test/registered/vlm/test_video_utils.py b/test/registered/vlm/test_video_utils.py
index 33584e59b..7040be748 100644
--- a/test/registered/vlm/test_video_utils.py
+++ b/test/registered/vlm/test_video_utils.py
@@ -6,7 +6,7 @@ from sglang.srt.utils import sample_video_frames
 from sglang.test.ci.ci_register import register_cpu_ci
 
 register_cpu_ci(est_time=7, suite="base-a-test-cpu")
-register_cpu_ci(est_time=7, suite="base-b-test-cpu")
+register_cpu_ci(est_time=7, suite="base-c-test-cpu")
 
 
 class DummyVideo:
diff --git a/test/run_suite.py b/test/run_suite.py
index 8c20f766e..aa42c158f 100644
--- a/test/run_suite.py
+++ b/test/run_suite.py
@@ -29,7 +29,12 @@ HW_MAPPING = {
 # (label-gated; pr-test-extra.yml). Tests are tagged per-commit regardless;
 # pr-test-extra.yml's `run-ci-extra` PR label decides whether extra-* dispatches.
 PER_COMMIT_SUITES = {
-    HWBackend.CPU: ["base-a-test-cpu", "base-b-test-cpu", "base-b-test-cpu-arm64"],
+    HWBackend.CPU: [
+        "base-a-test-cpu",
+        "base-b-test-cpu",
+        "base-c-test-cpu",
+        "base-b-test-cpu-arm64",
+    ],
     HWBackend.AMD: [
         "stage-a-test-1-gpu-small-amd",
         "stage-b-test-1-gpu-small-amd",