[Deps] Bump FlashInfer to 0.6.18 (#36954)

python/pyproject.toml

@@ -33,7 +33,7 @@ dependencies = [
   "einops",
   "fastapi",
   "flash-attn-4>=4.0.0b18",
-  "flashinfer_python[cu13]==0.6.17", # keep it aligned with jit-cache version in Dockerfile
+  "flashinfer_python[cu13]==0.6.18", # keep it aligned with jit-cache version in Dockerfile
   "gguf",
   "humming-kernels[cu13]==0.1.12",
   "interegular",

python/sglang/srt/entrypoints/engine.py

@@ -1686,7 +1686,7 @@ def _set_envs_and_config(server_args: ServerArgs):
         if "flashinfer" in attention_backends_of(resolved_view(cfg)):
             assert_pkg_version(
                 "flashinfer_python",
-                "0.6.17",
+                "0.6.18",
                 "Please uninstall the old version and "
                 "reinstall the latest version by following the instructions "
                 "at https://docs.flashinfer.ai/installation.html.",

python/sglang/srt/utils/common.py

@@ -2157,7 +2157,7 @@ def check_pkg_version_at_least(pkg: str, min_version: str) -> bool:
 
     Args:
         pkg: Package name (distribution name, e.g., "flashinfer-python")
-        min_version: Minimum version required (e.g., "0.6.17")
+        min_version: Minimum version required (e.g., "0.6.18")
 
     Returns:
         True if package is installed and version >= min_version, False otherwise