diff --git a/openllm-python/src/openllm/entrypoints/_openapi.py b/openllm-python/src/openllm/entrypoints/_openapi.py
index 427b55ce6..e483090a8 100644
--- a/openllm-python/src/openllm/entrypoints/_openapi.py
+++ b/openllm-python/src/openllm/entrypoints/_openapi.py
@@ -611,11 +611,17 @@ def asdict(self) -> dict[str, t.Any]:
 
 
 def append_schemas(
-  svc: bentoml.Service, generated_schema: dict[str, t.Any], tags_order: t.Literal['prepend', 'append'] = 'prepend'
+  svc: bentoml.Service,
+  generated_schema: dict[str, t.Any],
+  tags_order: t.Literal['prepend', 'append'] = 'prepend',
+  inject: bool = True,
 ) -> bentoml.Service:
   # HACK: Dirty hack to append schemas to existing service. We def need to support mounting Starlette app OpenAPI spec.
   from bentoml._internal.service.openapi.specification import OpenAPISpecification
 
+  if not inject:
+    return svc
+
   svc_schema = svc.openapi_spec
   if isinstance(svc_schema, (OpenAPISpecification, MKSchema)):
     svc_schema = svc_schema.asdict()
diff --git a/openllm-python/src/openllm/entrypoints/cohere.py b/openllm-python/src/openllm/entrypoints/cohere.py
index 645dbc360..ebd5bb1f9 100644
--- a/openllm-python/src/openllm/entrypoints/cohere.py
+++ b/openllm-python/src/openllm/entrypoints/cohere.py
@@ -13,9 +13,7 @@
 
 from openllm_core.utils import converter, gen_random_uuid
 
-from ._openapi import append_schemas, get_generator
-
-# from ._openapi import add_schema_definitions
+from ._openapi import add_schema_definitions, append_schemas, get_generator
 from ..protocol.cohere import (
   Chat,
   ChatStreamEnd,
@@ -89,29 +87,21 @@ def mount_to_svc(svc: bentoml.Service, llm: openllm.LLM[M, T]) -> bentoml.Servic
     debug=True,
     routes=[
       Route(
-        '/v1/generate',
-        endpoint=functools.partial(cohere_generate, llm=llm),
-        name='cohere_generate',
-        methods=['POST'],
-        include_in_schema=False,
-      ),
-      Route(
-        '/v1/chat',
-        endpoint=functools.partial(cohere_chat, llm=llm),
-        name='cohere_chat',
-        methods=['POST'],
-        include_in_schema=False,
+        '/v1/generate', endpoint=functools.partial(cohere_generate, llm=llm), name='cohere_generate', methods=['POST']
       ),
+      Route('/v1/chat', endpoint=functools.partial(cohere_chat, llm=llm), name='cohere_chat', methods=['POST']),
       Route('/schema', endpoint=openapi_schema, include_in_schema=False),
     ],
   )
   mount_path = '/cohere'
 
   svc.mount_asgi_app(app, path=mount_path)
-  return append_schemas(svc, schemas.get_schema(routes=app.routes, mount_path=mount_path), tags_order='append')
+  return append_schemas(
+    svc, schemas.get_schema(routes=app.routes, mount_path=mount_path), tags_order='append', inject=False
+  )
 
 
-# @add_schema_definitions
+@add_schema_definitions
 async def cohere_generate(req: Request, llm: openllm.LLM[M, T]) -> Response:
   json_str = await req.body()
   try:
@@ -201,7 +191,7 @@ def convert_role(role):
   return messages
 
 
-# @add_schema_definitions
+@add_schema_definitions
 async def cohere_chat(req: Request, llm: openllm.LLM[M, T]) -> Response:
   json_str = await req.body()
   try: