diff --git a/test/registered/cp/test_deepseek_v4_flash_fp4_b200_cp.py b/test/registered/cp/test_deepseek_v4_flash_fp4_b200_cp.py
index 987241b84..5c0490221 100644
--- a/test/registered/cp/test_deepseek_v4_flash_fp4_b200_cp.py
+++ b/test/registered/cp/test_deepseek_v4_flash_fp4_b200_cp.py
@@ -14,6 +14,7 @@ from sglang.srt.utils import kill_process_tree
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.basic_decode_correctness_kit import BasicDecodeCorrectnessMixin
 from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
+from sglang.test.kits.spec_decoding_kit import SpecDecodingMixin
 from sglang.test.test_utils import (
     DEFAULT_URL_FOR_TEST,
     CustomTestCase,
@@ -33,6 +34,7 @@ _DEEPEP_ENV = {
 
 
 class TestDSV4FlashFP4B200Balanced_CP(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -40,6 +42,8 @@ class TestDSV4FlashFP4B200Balanced_CP(
     """Balanced recipe: TP=4, DP=4, DeepEP, EAGLE (1-step spec)."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 1.8
+    bs_1_speed_thres = 100
 
     @classmethod
     def setUpClass(cls):
@@ -82,6 +86,7 @@ class TestDSV4FlashFP4B200Balanced_CP(
 
 
 class TestDSV4FlashFP4B200Balanced_CP_NonDeepEP(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -89,6 +94,8 @@ class TestDSV4FlashFP4B200Balanced_CP_NonDeepEP(
     """Balanced recipe: TP=4, DP=4, EAGLE (1-step spec)."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 1.8
+    bs_1_speed_thres = 100
 
     @classmethod
     def setUpClass(cls):
diff --git a/test/registered/disaggregation/test_disaggregation_dsv4.py b/test/registered/disaggregation/test_disaggregation_dsv4.py
index 91231cead..5d54c4436 100644
--- a/test/registered/disaggregation/test_disaggregation_dsv4.py
+++ b/test/registered/disaggregation/test_disaggregation_dsv4.py
@@ -2,6 +2,7 @@ import unittest
 
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
+from sglang.test.kits.spec_decoding_kit import SpecDecodingMixin
 from sglang.test.server_fixtures.disaggregation_fixture import (
     PDDisaggregationServerBase,
 )
@@ -38,9 +39,10 @@ _EAGLE_SPEC_ARGS = [
 ]
 
 
-class TestDisaggregationDSV4(PDDisaggregationServerBase, GSM8KMixin):
-
+class TestDisaggregationDSV4(SpecDecodingMixin, PDDisaggregationServerBase, GSM8KMixin):
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 1.8
+    bs_1_speed_thres = 140
 
     @classmethod
     def setUpClass(cls):
@@ -128,7 +130,6 @@ class TestDisaggregationDSV4(PDDisaggregationServerBase, GSM8KMixin):
 
 
 class TestDisaggregationDSV4HiSparseMooncake(PDDisaggregationServerBase, GSM8KMixin):
-
     gsm8k_accuracy_thres = 0.93
     gsm8k_num_questions = 200
     gsm8k_num_shots = 20
diff --git a/test/registered/models_e2e/test_deepseek_v4_flash_fp4_b200.py b/test/registered/models_e2e/test_deepseek_v4_flash_fp4_b200.py
index 59380ae71..62ab37d03 100644
--- a/test/registered/models_e2e/test_deepseek_v4_flash_fp4_b200.py
+++ b/test/registered/models_e2e/test_deepseek_v4_flash_fp4_b200.py
@@ -13,6 +13,7 @@ from sglang.srt.utils import kill_process_tree
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.basic_decode_correctness_kit import BasicDecodeCorrectnessMixin
 from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
+from sglang.test.kits.spec_decoding_kit import SpecDecodingMixin
 from sglang.test.test_utils import (
     DEFAULT_URL_FOR_TEST,
     CustomTestCase,
@@ -32,6 +33,7 @@ _DEEPEP_ENV = {
 
 
 class TestDSV4FlashFP4B200(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -39,6 +41,8 @@ class TestDSV4FlashFP4B200(
     """LowLatency recipe: TP=4, FP4 (mxfp4), EAGLE spec decoding."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 2.6
+    bs_1_speed_thres = 220
 
     @classmethod
     def setUpClass(cls):
@@ -75,6 +79,7 @@ class TestDSV4FlashFP4B200(
 
 
 class TestDSV4FlashFP4B200Balanced(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -82,6 +87,8 @@ class TestDSV4FlashFP4B200Balanced(
     """Balanced recipe: TP=4, DP=4, DeepEP, EAGLE (1-step spec)."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 1.8
+    bs_1_speed_thres = 100
 
     @classmethod
     def setUpClass(cls):
diff --git a/test/registered/models_e2e/test_deepseek_v4_flash_fp4_h200.py b/test/registered/models_e2e/test_deepseek_v4_flash_fp4_h200.py
index 882807e35..4a940197c 100644
--- a/test/registered/models_e2e/test_deepseek_v4_flash_fp4_h200.py
+++ b/test/registered/models_e2e/test_deepseek_v4_flash_fp4_h200.py
@@ -13,6 +13,7 @@ from sglang.srt.utils import kill_process_tree
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.basic_decode_correctness_kit import BasicDecodeCorrectnessMixin
 from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
+from sglang.test.kits.spec_decoding_kit import SpecDecodingMixin
 from sglang.test.test_utils import (
     DEFAULT_URL_FOR_TEST,
     CustomTestCase,
@@ -41,6 +42,7 @@ DEEPEP_CONFIG = '{"normal_dispatch":{"num_sms":96},"normal_combine":{"num_sms":9
 
 
 class TestDSV4FlashFP4H200(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -48,6 +50,8 @@ class TestDSV4FlashFP4H200(
     """LowLatency recipe: TP=4, Marlin FP4, EAGLE spec decoding."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 2.8
+    bs_1_speed_thres = 240
 
     @classmethod
     def setUpClass(cls):
@@ -87,6 +91,7 @@ class TestDSV4FlashFP4H200(
     "FlashInfer build lacks SM90 mixed-input MXFP4 helpers (PR #3084, >= 0.6.11)",
 )
 class TestDSV4FlashFP4H200FlashInferCutlass(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -99,6 +104,8 @@ class TestDSV4FlashFP4H200FlashInferCutlass(
     """
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 2.8
+    bs_1_speed_thres = 230
 
     @classmethod
     def setUpClass(cls):
diff --git a/test/registered/models_e2e/test_deepseek_v4_flash_fp4_megamoe_b200.py b/test/registered/models_e2e/test_deepseek_v4_flash_fp4_megamoe_b200.py
index 565df3275..505241dbf 100644
--- a/test/registered/models_e2e/test_deepseek_v4_flash_fp4_megamoe_b200.py
+++ b/test/registered/models_e2e/test_deepseek_v4_flash_fp4_megamoe_b200.py
@@ -13,6 +13,7 @@ from sglang.srt.utils import kill_process_tree
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.basic_decode_correctness_kit import BasicDecodeCorrectnessMixin
 from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
+from sglang.test.kits.spec_decoding_kit import SpecDecodingMixin
 from sglang.test.test_utils import (
     DEFAULT_URL_FOR_TEST,
     CustomTestCase,
@@ -39,6 +40,7 @@ _W4A4_MEGAMOE_ENV = {
 
 
 class TestDSV4FlashFP4B200W4A8MegaMoE(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -46,6 +48,8 @@ class TestDSV4FlashFP4B200W4A8MegaMoE(
     """Balanced recipe: TP=4, DP=4, MegaMoE."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 1.8
+    bs_1_speed_thres = 100
 
     @classmethod
     def setUpClass(cls):
@@ -83,6 +87,7 @@ class TestDSV4FlashFP4B200W4A8MegaMoE(
 
 
 class TestDSV4FlashFP4B200W4A4MegaMoE(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -90,6 +95,8 @@ class TestDSV4FlashFP4B200W4A4MegaMoE(
     """Balanced recipe: TP=4, DP=4, MegaMoE."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 2.6
+    bs_1_speed_thres = 100
 
     @classmethod
     def setUpClass(cls):
diff --git a/test/registered/models_e2e/test_deepseek_v4_flash_fp8_h200.py b/test/registered/models_e2e/test_deepseek_v4_flash_fp8_h200.py
index ed2986ed1..b97cc879e 100644
--- a/test/registered/models_e2e/test_deepseek_v4_flash_fp8_h200.py
+++ b/test/registered/models_e2e/test_deepseek_v4_flash_fp8_h200.py
@@ -14,6 +14,7 @@ from sglang.srt.utils import kill_process_tree
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.basic_decode_correctness_kit import BasicDecodeCorrectnessMixin
 from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
+from sglang.test.kits.spec_decoding_kit import SpecDecodingMixin
 from sglang.test.test_utils import (
     DEFAULT_URL_FOR_TEST,
     CustomTestCase,
@@ -29,6 +30,7 @@ DEEPEP_CONFIG = '{"normal_dispatch":{"num_sms":96},"normal_combine":{"num_sms":9
 
 
 class TestDSV4FlashFP8H200(
+    SpecDecodingMixin,
     BasicDecodeCorrectnessMixin,
     GSM8KMixin,
     CustomTestCase,
@@ -36,6 +38,8 @@ class TestDSV4FlashFP8H200(
     """LowLatency recipe: TP=4, Marlin FP4, EAGLE spec decoding."""
 
     gsm8k_accuracy_thres = 0.93
+    accept_length_thres = 1.8
+    bs_1_speed_thres = 140
 
     @classmethod
     def setUpClass(cls):