diff --git a/docs/src/guides/azure_openai_with_aad_auth.md b/docs/src/guides/azure_openai_with_aad_auth.md
index 5dc5daaf4..c4dcc1d41 100644
--- a/docs/src/guides/azure_openai_with_aad_auth.md
+++ b/docs/src/guides/azure_openai_with_aad_auth.md
@@ -15,7 +15,7 @@ pip install azure-identity
 ## Using the Model Client
 
 ```python
-from agnext.components.model_client import AzureOpenAI
+from agnext.components.llm import AzureOpenAI
 from azure.identity import DefaultAzureCredential, get_bearer_token_provider
 
 # Create the token provider
diff --git a/examples/orchestrator.py b/examples/orchestrator.py
index f2bde7f6a..d0c576c79 100644
--- a/examples/orchestrator.py
+++ b/examples/orchestrator.py
@@ -16,8 +16,7 @@ from agnext.chat.types import TextMessage
 from agnext.components.function_executor._impl.in_process_function_executor import (
     InProcessFunctionExecutor,
 )
-from agnext.components.model_client import OpenAI
-from agnext.components.types import SystemMessage
+from agnext.components.llm import OpenAI, SystemMessage
 from agnext.core import Agent, AgentRuntime
 from agnext.core.intervention import DefaultInterventionHandler, DropMessage
 from tavily import TavilyClient
diff --git a/src/agnext/chat/agents/chat_completion_agent.py b/src/agnext/chat/agents/chat_completion_agent.py
index 78c28bfb5..84537a75d 100644
--- a/src/agnext/chat/agents/chat_completion_agent.py
+++ b/src/agnext/chat/agents/chat_completion_agent.py
@@ -5,8 +5,6 @@ from typing import Any, Coroutine, Dict, List, Mapping, Tuple
 from agnext.chat.agents.base import BaseChatAgent
 from agnext.chat.types import (
     FunctionCallMessage,
-    FunctionExecutionResult,
-    FunctionExecutionResultMessage,
     Message,
     Reset,
     RespondNow,
@@ -15,12 +13,11 @@ from agnext.chat.types import (
 )
 from agnext.chat.utils import convert_messages_to_llm_messages
 from agnext.components.function_executor import FunctionExecutor
-from agnext.components.model_client import ModelClient
+from agnext.components.llm import FunctionExecutionResult, FunctionExecutionResultMessage, ModelClient, SystemMessage
 from agnext.components.type_routed_agent import TypeRoutedAgent, message_handler
 from agnext.components.types import (
     FunctionCall,
     FunctionSignature,
-    SystemMessage,
 )
 from agnext.core import AgentRuntime, CancellationToken
 
@@ -141,7 +138,7 @@ class ChatCompletionAgent(BaseChatAgent, TypeRoutedAgent):
                 results.append(FunctionExecutionResult(content=execution_result, call_id=call_id))
 
         # Create a tool call result message.
-        tool_call_result_msg = FunctionExecutionResultMessage(content=results, source=self.name)
+        tool_call_result_msg = FunctionExecutionResultMessage(content=results)
 
         # Add tool call result message.
         self._chat_messages.append(tool_call_result_msg)
diff --git a/src/agnext/chat/types.py b/src/agnext/chat/types.py
index 159b6994f..9eda88e18 100644
--- a/src/agnext/chat/types.py
+++ b/src/agnext/chat/types.py
@@ -5,6 +5,7 @@ from enum import Enum
 from typing import List, Union
 
 from agnext.components.image import Image
+from agnext.components.llm import FunctionExecutionResultMessage
 from agnext.components.types import FunctionCall
 
 
@@ -29,17 +30,6 @@ class FunctionCallMessage(BaseMessage):
     content: List[FunctionCall]
 
 
-@dataclass
-class FunctionExecutionResult:
-    content: str
-    call_id: str
-
-
-@dataclass
-class FunctionExecutionResultMessage(BaseMessage):
-    content: List[FunctionExecutionResult]
-
-
 Message = Union[TextMessage, MultiModalMessage, FunctionCallMessage, FunctionExecutionResultMessage]
 
 
diff --git a/src/agnext/chat/utils.py b/src/agnext/chat/utils.py
index 493926ad9..321771ddb 100644
--- a/src/agnext/chat/utils.py
+++ b/src/agnext/chat/utils.py
@@ -4,22 +4,17 @@ from typing_extensions import Literal
 
 from agnext.chat.types import (
     FunctionCallMessage,
-    FunctionExecutionResultMessage,
     Message,
     MultiModalMessage,
     TextMessage,
 )
-from agnext.components.types import (
+from agnext.components.llm import (
     AssistantMessage,
+    FunctionExecutionResult,
+    FunctionExecutionResultMessage,
     LLMMessage,
     UserMessage,
 )
-from agnext.components.types import (
-    FunctionExecutionResult as FunctionExecutionResultType,
-)
-from agnext.components.types import (
-    FunctionExecutionResultMessage as FunctionExecutionResultMessageType,
-)
 
 
 def convert_content_message_to_assistant_message(
@@ -61,11 +56,11 @@ def convert_content_message_to_user_message(
 def convert_tool_call_response_message(
     message: FunctionExecutionResultMessage,
     handle_unrepresentable: Literal["error", "ignore", "try_slice"] = "error",
-) -> Optional[FunctionExecutionResultMessageType]:
+) -> Optional[FunctionExecutionResultMessage]:
     match message:
         case FunctionExecutionResultMessage():
-            return FunctionExecutionResultMessageType(
-                content=[FunctionExecutionResultType(content=x.content, call_id=x.call_id) for x in message.content]
+            return FunctionExecutionResultMessage(
+                content=[FunctionExecutionResult(content=x.content, call_id=x.call_id) for x in message.content]
             )
 
 
@@ -93,7 +88,7 @@ def convert_messages_to_llm_messages(
                 converted_message_2 = convert_content_message_to_user_message(message, handle_unrepresentable)
                 if converted_message_2 is not None:
                     result.append(converted_message_2)
-            case FunctionExecutionResultMessage(_, source=source) if source == self_name:
+            case FunctionExecutionResultMessage(_):
                 converted_message_3 = convert_tool_call_response_message(message, handle_unrepresentable)
                 if converted_message_3 is not None:
                     result.append(converted_message_3)
diff --git a/src/agnext/components/function_utils.py b/src/agnext/components/_function_utils.py
similarity index 99%
rename from src/agnext/components/function_utils.py
rename to src/agnext/components/_function_utils.py
index 230b6f679..15cce58c1 100644
--- a/src/agnext/components/function_utils.py
+++ b/src/agnext/components/_function_utils.py
@@ -20,7 +20,7 @@ from typing import (
 from pydantic import BaseModel, Field
 from typing_extensions import Annotated, Literal
 
-from .pydantic_compat import evaluate_forwardref, model_dump, type2schema
+from ._pydantic_compat import evaluate_forwardref, model_dump, type2schema
 
 logger = getLogger(__name__)
 
diff --git a/src/agnext/components/pydantic_compat.py b/src/agnext/components/_pydantic_compat.py
similarity index 100%
rename from src/agnext/components/pydantic_compat.py
rename to src/agnext/components/_pydantic_compat.py
diff --git a/src/agnext/components/function_executor/_base.py b/src/agnext/components/function_executor/_base.py
index e80db24ba..1b3284b62 100644
--- a/src/agnext/components/function_executor/_base.py
+++ b/src/agnext/components/function_executor/_base.py
@@ -3,7 +3,7 @@ from typing import Any, Callable, Dict, Protocol, TypedDict, Union, runtime_chec
 
 from typing_extensions import NotRequired, Required
 
-from ..function_utils import get_function_schema
+from .._function_utils import get_function_schema
 from ..types import FunctionSignature
 
 
diff --git a/src/agnext/components/llm/__init__.py b/src/agnext/components/llm/__init__.py
new file mode 100644
index 000000000..f5a77ab04
--- /dev/null
+++ b/src/agnext/components/llm/__init__.py
@@ -0,0 +1,32 @@
+from ._model_client import ModelCapabilities, ModelClient
+from ._openai_client import (
+    AzureOpenAI,
+    OpenAI,
+)
+from ._types import (
+    AssistantMessage,
+    CreateResult,
+    FinishReasons,
+    FunctionExecutionResult,
+    FunctionExecutionResultMessage,
+    LLMMessage,
+    RequestUsage,
+    SystemMessage,
+    UserMessage,
+)
+
+__all__ = [
+    "AzureOpenAI",
+    "OpenAI",
+    "ModelCapabilities",
+    "ModelClient",
+    "SystemMessage",
+    "UserMessage",
+    "AssistantMessage",
+    "FunctionExecutionResult",
+    "FunctionExecutionResultMessage",
+    "LLMMessage",
+    "RequestUsage",
+    "FinishReasons",
+    "CreateResult",
+]
diff --git a/src/agnext/components/model_client/_model_client.py b/src/agnext/components/llm/_model_client.py
similarity index 94%
rename from src/agnext/components/model_client/_model_client.py
rename to src/agnext/components/llm/_model_client.py
index 209292b6d..d582e689e 100644
--- a/src/agnext/components/model_client/_model_client.py
+++ b/src/agnext/components/llm/_model_client.py
@@ -11,7 +11,8 @@ from typing_extensions import (
     Union,
 )
 
-from ..types import CreateResult, FunctionSignature, LLMMessage, RequestUsage
+from ..types import FunctionSignature
+from ._types import CreateResult, LLMMessage, RequestUsage
 
 
 class ModelCapabilities(TypedDict, total=False):
diff --git a/src/agnext/components/model_client/_model_info.py b/src/agnext/components/llm/_model_info.py
similarity index 100%
rename from src/agnext/components/model_client/_model_info.py
rename to src/agnext/components/llm/_model_info.py
diff --git a/src/agnext/components/model_client/_openai_client.py b/src/agnext/components/llm/_openai_client.py
similarity index 93%
rename from src/agnext/components/model_client/_openai_client.py
rename to src/agnext/components/llm/_openai_client.py
index be890dbdd..619e9b05c 100644
--- a/src/agnext/components/model_client/_openai_client.py
+++ b/src/agnext/components/llm/_openai_client.py
@@ -4,11 +4,8 @@ import warnings
 from typing import (
     Any,
     AsyncGenerator,
-    Awaitable,
-    Callable,
     Dict,
     List,
-    Literal,
     Mapping,
     Optional,
     Sequence,
@@ -30,25 +27,26 @@ from openai.types.chat import (
     ChatCompletionUserMessageParam,
     completion_create_params,
 )
-from typing_extensions import Required, TypedDict, Unpack
+from typing_extensions import Unpack
 
 from ...application.logging import EVENT_LOGGER_NAME, LLMCallEvent
-
-# from ..._pydantic import type2schema
 from ..image import Image
 from ..types import (
+    FunctionCall,
+    FunctionSignature,
+)
+from . import _model_info
+from ._model_client import ModelCapabilities, ModelClient
+from ._types import (
     AssistantMessage,
     CreateResult,
-    FunctionCall,
     FunctionExecutionResultMessage,
-    FunctionSignature,
     LLMMessage,
     RequestUsage,
     SystemMessage,
     UserMessage,
 )
-from . import _model_info
-from ._model_client import ModelCapabilities, ModelClient
+from .config import AzureOpenAIClientConfiguration, OpenAIClientConfiguration
 
 logger = logging.getLogger(EVENT_LOGGER_NAME)
 
@@ -202,53 +200,6 @@ def _add_usage(usage1: RequestUsage, usage2: RequestUsage) -> RequestUsage:
     )
 
 
-class ResponseFormat(TypedDict):
-    type: Literal["text", "json_object"]
-
-
-class CreateArguments(TypedDict, total=False):
-    frequency_penalty: Optional[float]
-    logit_bias: Optional[Dict[str, int]]
-    max_tokens: Optional[int]
-    n: Optional[int]
-    presence_penalty: Optional[float]
-    response_format: ResponseFormat
-    seed: Optional[int]
-    stop: Union[Optional[str], List[str]]
-    temperature: Optional[float]
-    top_p: Optional[float]
-    user: str
-
-
-AsyncAzureADTokenProvider = Callable[[], Union[str, Awaitable[str]]]
-
-
-class BaseOpenAIClientConfiguration(CreateArguments, total=False):
-    model: str
-    api_key: str
-    timeout: Union[float, None]
-    max_retries: int
-
-
-# See OpenAI docs for explanation of these parameters
-class OpenAIClientConfiguration(BaseOpenAIClientConfiguration, total=False):
-    organization: str
-    base_url: str
-    # Not required
-    model_capabilities: ModelCapabilities
-
-
-class AzureOpenAIClientConfiguration(BaseOpenAIClientConfiguration, total=False):
-    # Azure specific
-    azure_endpoint: Required[str]
-    azure_deployment: str
-    api_version: Required[str]
-    azure_ad_token: str
-    azure_ad_token_provider: AsyncAzureADTokenProvider
-    # Must be provided
-    model_capabilities: Required[ModelCapabilities]
-
-
 def convert_functions(
     functions: Sequence[FunctionSignature],
 ) -> List[ChatCompletionToolParam]:
diff --git a/src/agnext/components/llm/_types.py b/src/agnext/components/llm/_types.py
new file mode 100644
index 000000000..3995303fc
--- /dev/null
+++ b/src/agnext/components/llm/_types.py
@@ -0,0 +1,57 @@
+from dataclasses import dataclass
+from typing import List, Literal, Union
+
+from ..image import Image
+from ..types import FunctionCall
+
+
+@dataclass
+class SystemMessage:
+    content: str
+
+
+@dataclass
+class UserMessage:
+    content: Union[str, List[Union[str, Image]]]
+
+    # Name of the agent that sent this message
+    source: str
+
+
+@dataclass
+class AssistantMessage:
+    content: Union[str, List[FunctionCall]]
+
+    # Name of the agent that sent this message
+    source: str
+
+
+@dataclass
+class FunctionExecutionResult:
+    content: str
+    call_id: str
+
+
+@dataclass
+class FunctionExecutionResultMessage:
+    content: List[FunctionExecutionResult]
+
+
+LLMMessage = Union[SystemMessage, UserMessage, AssistantMessage, FunctionExecutionResultMessage]
+
+
+@dataclass
+class RequestUsage:
+    prompt_tokens: int
+    completion_tokens: int
+
+
+FinishReasons = Literal["stop", "length", "function_calls", "content_filter"]
+
+
+@dataclass
+class CreateResult:
+    finish_reason: FinishReasons
+    content: Union[str, List[FunctionCall]]
+    usage: RequestUsage
+    cached: bool
diff --git a/src/agnext/components/llm/config/__init__.py b/src/agnext/components/llm/config/__init__.py
new file mode 100644
index 000000000..d1edcf8c6
--- /dev/null
+++ b/src/agnext/components/llm/config/__init__.py
@@ -0,0 +1,52 @@
+from typing import Awaitable, Callable, Dict, List, Literal, Optional, Union
+
+from typing_extensions import Required, TypedDict
+
+from .._model_client import ModelCapabilities
+
+
+class ResponseFormat(TypedDict):
+    type: Literal["text", "json_object"]
+
+
+class CreateArguments(TypedDict, total=False):
+    frequency_penalty: Optional[float]
+    logit_bias: Optional[Dict[str, int]]
+    max_tokens: Optional[int]
+    n: Optional[int]
+    presence_penalty: Optional[float]
+    response_format: ResponseFormat
+    seed: Optional[int]
+    stop: Union[Optional[str], List[str]]
+    temperature: Optional[float]
+    top_p: Optional[float]
+    user: str
+
+
+AsyncAzureADTokenProvider = Callable[[], Union[str, Awaitable[str]]]
+
+
+class BaseOpenAIClientConfiguration(CreateArguments, total=False):
+    model: str
+    api_key: str
+    timeout: Union[float, None]
+    max_retries: int
+
+
+# See OpenAI docs for explanation of these parameters
+class OpenAIClientConfiguration(BaseOpenAIClientConfiguration, total=False):
+    organization: str
+    base_url: str
+    # Not required
+    model_capabilities: ModelCapabilities
+
+
+class AzureOpenAIClientConfiguration(BaseOpenAIClientConfiguration, total=False):
+    # Azure specific
+    azure_endpoint: Required[str]
+    azure_deployment: str
+    api_version: Required[str]
+    azure_ad_token: str
+    azure_ad_token_provider: AsyncAzureADTokenProvider
+    # Must be provided
+    model_capabilities: Required[ModelCapabilities]
diff --git a/src/agnext/components/model_client/__init__.py b/src/agnext/components/model_client/__init__.py
deleted file mode 100644
index d5a5ec187..000000000
--- a/src/agnext/components/model_client/__init__.py
+++ /dev/null
@@ -1,24 +0,0 @@
-from ._model_client import ModelCapabilities, ModelClient
-from ._openai_client import (
-    AsyncAzureADTokenProvider,
-    AzureOpenAI,
-    AzureOpenAIClientConfiguration,
-    BaseOpenAIClientConfiguration,
-    CreateArguments,
-    OpenAI,
-    OpenAIClientConfiguration,
-    ResponseFormat,
-)
-
-__all__ = [
-    "AzureOpenAI",
-    "OpenAI",
-    "OpenAIClientConfiguration",
-    "AzureOpenAIClientConfiguration",
-    "ResponseFormat",
-    "CreateArguments",
-    "AsyncAzureADTokenProvider",
-    "BaseOpenAIClientConfiguration",
-    "ModelCapabilities",
-    "ModelClient",
-]
diff --git a/src/agnext/components/types.py b/src/agnext/components/types.py
index 22903d6ee..a62762465 100644
--- a/src/agnext/components/types.py
+++ b/src/agnext/components/types.py
@@ -1,11 +1,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import Any, Dict, List, Union
-
-from typing_extensions import Literal
-
-from .image import Image
+from typing import Any, Dict
 
 
 @dataclass
@@ -22,55 +18,3 @@ class FunctionSignature:
     name: str
     parameters: Dict[str, Any]
     description: str
-
-
-@dataclass
-class RequestUsage:
-    prompt_tokens: int
-    completion_tokens: int
-
-
-@dataclass
-class SystemMessage:
-    content: str
-
-
-@dataclass
-class UserMessage:
-    content: Union[str, List[Union[str, Image]]]
-
-    # Name of the agent that sent this message
-    source: str
-
-
-@dataclass
-class AssistantMessage:
-    content: Union[str, List[FunctionCall]]
-
-    # Name of the agent that sent this message
-    source: str
-
-
-@dataclass
-class FunctionExecutionResult:
-    content: str
-    call_id: str
-
-
-@dataclass
-class FunctionExecutionResultMessage:
-    content: List[FunctionExecutionResult]
-
-
-LLMMessage = Union[SystemMessage, UserMessage, AssistantMessage, FunctionExecutionResultMessage]
-
-
-FinishReasons = Literal["stop", "length", "function_calls", "content_filter"]
-
-
-@dataclass
-class CreateResult:
-    finish_reason: FinishReasons
-    content: Union[str, List[FunctionCall]]
-    usage: RequestUsage
-    cached: bool