diff --git a/model-engine/model_engine_server/infra/repositories/live_tokenizer_repository.py b/model-engine/model_engine_server/infra/repositories/live_tokenizer_repository.py
index 54e6436c1..1cabca26b 100644
--- a/model-engine/model_engine_server/infra/repositories/live_tokenizer_repository.py
+++ b/model-engine/model_engine_server/infra/repositories/live_tokenizer_repository.py
@@ -107,6 +107,10 @@ def get_default_supported_models_info() -> Dict[str, ModelInfo]:
             "Qwen/Qwen2-72B-Instruct",
             None,
         ),
+        "qwen3-8b": ModelInfo(
+            "Qwen/Qwen3-8B",
+            None,
+        ),
     }