diff --git a/llama_stack/providers/inline/agents/meta_reference/agent_instance.py b/llama_stack/providers/inline/agents/meta_reference/agent_instance.py
index 95c72d882..30baa1877 100644
--- a/llama_stack/providers/inline/agents/meta_reference/agent_instance.py
+++ b/llama_stack/providers/inline/agents/meta_reference/agent_instance.py
@@ -545,7 +545,7 @@ class ChatAgent(ShieldRunnerMixin):
                             )
 
                     elif delta.type == "text":
-                        delta.text = "hello"
+                        # delta.text = "hello"
                         content += delta.text
                         if stream and event.stop_reason is None:
                             yield AgentTurnResponseStreamChunk(
diff --git a/llama_stack/providers/remote/inference/passthrough/passthrough.py b/llama_stack/providers/remote/inference/passthrough/passthrough.py
index 6fe3deb8d..74873ee28 100644
--- a/llama_stack/providers/remote/inference/passthrough/passthrough.py
+++ b/llama_stack/providers/remote/inference/passthrough/passthrough.py
@@ -4,12 +4,14 @@
 # This source code is licensed under the terms described in the LICENSE file in
 # the root directory of this source tree.
 
-from typing import AsyncGenerator, List, Optional
+from typing import Any, AsyncGenerator, Dict, List, Optional
 
 from llama_stack_client import AsyncLlamaStackClient
 
 from llama_stack.apis.common.content_types import InterleavedContent
 from llama_stack.apis.inference import (
+    ChatCompletionResponse,
+    ChatCompletionResponseStreamChunk,
     EmbeddingsResponse,
     EmbeddingTaskType,
     Inference,
@@ -24,6 +26,7 @@ from llama_stack.apis.inference import (
     ToolPromptFormat,
 )
 from llama_stack.apis.models import Model
+from llama_stack.distribution.library_client import convert_pydantic_to_json_value, convert_to_pydantic
 from llama_stack.providers.utils.inference.model_registry import ModelRegistryHelper
 
 from .config import PassthroughImplConfig
@@ -120,10 +123,14 @@ class PassthroughInferenceAdapter(Inference):
     ) -> AsyncGenerator:
         if sampling_params is None:
             sampling_params = SamplingParams()
-        client = self._get_client()
         model = await self.model_store.get_model(model_id)
 
-        reqeust_params = {
+        # TODO: revisit this remove tool_calls from messages logic
+        for message in messages:
+            if hasattr(message, "tool_calls"):
+                message.tool_calls = None
+
+        request_params = {
             "model_id": model.provider_resource_id,
             "messages": messages,
             "sampling_params": sampling_params,
@@ -134,34 +141,35 @@ class PassthroughInferenceAdapter(Inference):
             "stream": stream,
             "logprobs": logprobs,
         }
-        
-
-        request_params = {key: value for key, value in reqeust_params.items() if value is not None}
-
-        json_params = {}
-        from llama_stack.distribution.library_client import (
-            convert_pydantic_to_json_value,
-        )
-
-        # cast everything to json dict
-        for key, value in request_params.items():
-            json_input = convert_pydantic_to_json_value(value)
-            if isinstance(json_input, dict):
-                json_input = {k: v for k, v in json_input.items() if v is not None}
-            elif isinstance(json_input, list):
-                json_input = [x for x in json_input if x is not None]
-                new_input = []
-                for x in json_input:
-                    if isinstance(x, dict):
-                        x = {k: v for k, v in x.items() if v is not None}
-                    new_input.append(x)
-                json_input = new_input
-
-            # if key != "tools":
-            json_params[key] = json_input
 
         # only pass through the not None params
-        return await client.inference.chat_completion(**json_params)    
+        request_params = {key: value for key, value in request_params.items() if value is not None}
+
+        # cast everything to json dict
+        json_params = self.cast_value_to_json_dict(request_params)
+
+        if stream:
+            return self._stream_chat_completion(json_params)
+        else:
+            return await self._nonstream_chat_completion(json_params)
+
+    async def _nonstream_chat_completion(self, json_params: Dict[str, Any]) -> ChatCompletionResponse:
+        client = self._get_client()
+        response = await client.inference.chat_completion(**json_params)
+        response = response.to_dict()
+        response["metrics"] = []
+
+        return convert_to_pydantic(ChatCompletionResponse, response)
+
+    async def _stream_chat_completion(self, json_params: Dict[str, Any]) -> AsyncGenerator:
+        client = self._get_client()
+        stream_response = await client.inference.chat_completion(**json_params)
+
+        async for chunk in stream_response:
+            chunk = chunk.to_dict()
+            chunk["metrics"] = []
+            chunk = convert_to_pydantic(ChatCompletionResponseStreamChunk, chunk)
+            yield chunk
 
     async def embeddings(
         self,
@@ -181,3 +189,22 @@ class PassthroughInferenceAdapter(Inference):
             output_dimension=output_dimension,
             task_type=task_type,
         )
+
+    def cast_value_to_json_dict(self, request_params: Dict[str, Any]) -> Dict[str, Any]:
+        json_params = {}
+        for key, value in request_params.items():
+            json_input = convert_pydantic_to_json_value(value)
+            if isinstance(json_input, dict):
+                json_input = {k: v for k, v in json_input.items() if v is not None}
+            elif isinstance(json_input, list):
+                json_input = [x for x in json_input if x is not None]
+                new_input = []
+                for x in json_input:
+                    if isinstance(x, dict):
+                        x = {k: v for k, v in x.items() if v is not None}
+                    new_input.append(x)
+                json_input = new_input
+
+            json_params[key] = json_input
+
+        return json_params