diff --git a/src/groq/resources/chat/completions.py b/src/groq/resources/chat/completions.py
index 2e199f2..d171b64 100644
--- a/src/groq/resources/chat/completions.py
+++ b/src/groq/resources/chat/completions.py
@@ -2,7 +2,8 @@
 
 from __future__ import annotations
 
-from typing import Dict, List, Union, Iterable, Optional
+from typing import Dict, List, Union, Iterable, Optional, overload
+from typing_extensions import Literal
 
 import httpx
 
@@ -19,10 +20,12 @@
     async_to_raw_response_wrapper,
     async_to_streamed_response_wrapper,
 )
+from ..._streaming import Stream, AsyncStream
 from ...types.chat import completion_create_params
 from ..._base_client import (
     make_request_options,
 )
+from ...lib.chat_completion_chunk import ChatCompletionChunk
 from ...types.chat.chat_completion import ChatCompletion
 
 __all__ = ["Completions", "AsyncCompletions"]
@@ -37,6 +40,7 @@ def with_raw_response(self) -> CompletionsWithRawResponse:
     def with_streaming_response(self) -> CompletionsWithStreamingResponse:
         return CompletionsWithStreamingResponse(self)
 
+    @overload
     def create(
         self,
         *,
@@ -53,7 +57,7 @@ def create(
         response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
         seed: Optional[int] | NotGiven = NOT_GIVEN,
         stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
-        stream: Optional[bool] | NotGiven = NOT_GIVEN,
+        stream: Optional[Literal[False]] | NotGiven = NOT_GIVEN,
         temperature: Optional[float] | NotGiven = NOT_GIVEN,
         tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
         tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
@@ -67,6 +71,104 @@ def create(
         extra_body: Body | None = None,
         timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
     ) -> ChatCompletion:
+        ...
+
+    @overload
+    def create(
+        self,
+        *,
+        messages: Iterable[completion_create_params.Message],
+        model: str,
+        frequency_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        function_call: Optional[completion_create_params.FunctionCall] | NotGiven = NOT_GIVEN,
+        functions: Optional[Iterable[completion_create_params.Function]] | NotGiven = NOT_GIVEN,
+        logit_bias: Optional[Dict[str, int]] | NotGiven = NOT_GIVEN,
+        logprobs: Optional[bool] | NotGiven = NOT_GIVEN,
+        max_tokens: Optional[int] | NotGiven = NOT_GIVEN,
+        n: Optional[int] | NotGiven = NOT_GIVEN,
+        presence_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
+        seed: Optional[int] | NotGiven = NOT_GIVEN,
+        stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
+        stream: Literal[True],
+        temperature: Optional[float] | NotGiven = NOT_GIVEN,
+        tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
+        top_logprobs: Optional[int] | NotGiven = NOT_GIVEN,
+        top_p: Optional[float] | NotGiven = NOT_GIVEN,
+        user: Optional[str] | NotGiven = NOT_GIVEN,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> Stream[ChatCompletionChunk]:
+        ...
+
+    @overload
+    def create(
+        self,
+        *,
+        messages: Iterable[completion_create_params.Message],
+        model: str,
+        frequency_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        function_call: Optional[completion_create_params.FunctionCall] | NotGiven = NOT_GIVEN,
+        functions: Optional[Iterable[completion_create_params.Function]] | NotGiven = NOT_GIVEN,
+        logit_bias: Optional[Dict[str, int]] | NotGiven = NOT_GIVEN,
+        logprobs: Optional[bool] | NotGiven = NOT_GIVEN,
+        max_tokens: Optional[int] | NotGiven = NOT_GIVEN,
+        n: Optional[int] | NotGiven = NOT_GIVEN,
+        presence_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
+        seed: Optional[int] | NotGiven = NOT_GIVEN,
+        stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
+        stream: bool,
+        temperature: Optional[float] | NotGiven = NOT_GIVEN,
+        tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
+        top_logprobs: Optional[int] | NotGiven = NOT_GIVEN,
+        top_p: Optional[float] | NotGiven = NOT_GIVEN,
+        user: Optional[str] | NotGiven = NOT_GIVEN,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> ChatCompletion | Stream[ChatCompletionChunk]:
+        ...
+
+    def create(
+        self,
+        *,
+        messages: Iterable[completion_create_params.Message],
+        model: str,
+        frequency_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        function_call: Optional[completion_create_params.FunctionCall] | NotGiven = NOT_GIVEN,
+        functions: Optional[Iterable[completion_create_params.Function]] | NotGiven = NOT_GIVEN,
+        logit_bias: Optional[Dict[str, int]] | NotGiven = NOT_GIVEN,
+        logprobs: Optional[bool] | NotGiven = NOT_GIVEN,
+        max_tokens: Optional[int] | NotGiven = NOT_GIVEN,
+        n: Optional[int] | NotGiven = NOT_GIVEN,
+        presence_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
+        seed: Optional[int] | NotGiven = NOT_GIVEN,
+        stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
+        stream: Optional[Literal[False]] | Literal[True] | NotGiven = NOT_GIVEN,
+        temperature: Optional[float] | NotGiven = NOT_GIVEN,
+        tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
+        top_logprobs: Optional[int] | NotGiven = NOT_GIVEN,
+        top_p: Optional[float] | NotGiven = NOT_GIVEN,
+        user: Optional[str] | NotGiven = NOT_GIVEN,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> ChatCompletion | Stream[ChatCompletionChunk]:
         """
         Creates a model response for the given chat conversation.
 
@@ -203,6 +305,8 @@ def create(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
             ),
             cast_to=ChatCompletion,
+            stream=stream or False,
+            stream_cls=Stream[ChatCompletionChunk],
         )
 
 
@@ -215,6 +319,7 @@ def with_raw_response(self) -> AsyncCompletionsWithRawResponse:
     def with_streaming_response(self) -> AsyncCompletionsWithStreamingResponse:
         return AsyncCompletionsWithStreamingResponse(self)
 
+    @overload
     async def create(
         self,
         *,
@@ -231,7 +336,7 @@ async def create(
         response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
         seed: Optional[int] | NotGiven = NOT_GIVEN,
         stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
-        stream: Optional[bool] | NotGiven = NOT_GIVEN,
+        stream: Optional[Literal[False]] | NotGiven = NOT_GIVEN,
         temperature: Optional[float] | NotGiven = NOT_GIVEN,
         tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
         tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
@@ -245,6 +350,104 @@ async def create(
         extra_body: Body | None = None,
         timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
     ) -> ChatCompletion:
+        ...
+
+    @overload
+    async def create(
+        self,
+        *,
+        messages: Iterable[completion_create_params.Message],
+        model: str,
+        frequency_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        function_call: Optional[completion_create_params.FunctionCall] | NotGiven = NOT_GIVEN,
+        functions: Optional[Iterable[completion_create_params.Function]] | NotGiven = NOT_GIVEN,
+        logit_bias: Optional[Dict[str, int]] | NotGiven = NOT_GIVEN,
+        logprobs: Optional[bool] | NotGiven = NOT_GIVEN,
+        max_tokens: Optional[int] | NotGiven = NOT_GIVEN,
+        n: Optional[int] | NotGiven = NOT_GIVEN,
+        presence_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
+        seed: Optional[int] | NotGiven = NOT_GIVEN,
+        stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
+        stream: Literal[True],
+        temperature: Optional[float] | NotGiven = NOT_GIVEN,
+        tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
+        top_logprobs: Optional[int] | NotGiven = NOT_GIVEN,
+        top_p: Optional[float] | NotGiven = NOT_GIVEN,
+        user: Optional[str] | NotGiven = NOT_GIVEN,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> AsyncStream[ChatCompletionChunk]:
+        ...
+
+    @overload
+    async def create(
+        self,
+        *,
+        messages: Iterable[completion_create_params.Message],
+        model: str,
+        frequency_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        function_call: Optional[completion_create_params.FunctionCall] | NotGiven = NOT_GIVEN,
+        functions: Optional[Iterable[completion_create_params.Function]] | NotGiven = NOT_GIVEN,
+        logit_bias: Optional[Dict[str, int]] | NotGiven = NOT_GIVEN,
+        logprobs: Optional[bool] | NotGiven = NOT_GIVEN,
+        max_tokens: Optional[int] | NotGiven = NOT_GIVEN,
+        n: Optional[int] | NotGiven = NOT_GIVEN,
+        presence_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
+        seed: Optional[int] | NotGiven = NOT_GIVEN,
+        stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
+        stream: bool,
+        temperature: Optional[float] | NotGiven = NOT_GIVEN,
+        tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
+        top_logprobs: Optional[int] | NotGiven = NOT_GIVEN,
+        top_p: Optional[float] | NotGiven = NOT_GIVEN,
+        user: Optional[str] | NotGiven = NOT_GIVEN,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> ChatCompletion | AsyncStream[ChatCompletionChunk]:
+        ...
+
+    async def create(
+        self,
+        *,
+        messages: Iterable[completion_create_params.Message],
+        model: str,
+        frequency_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        function_call: Optional[completion_create_params.FunctionCall] | NotGiven = NOT_GIVEN,
+        functions: Optional[Iterable[completion_create_params.Function]] | NotGiven = NOT_GIVEN,
+        logit_bias: Optional[Dict[str, int]] | NotGiven = NOT_GIVEN,
+        logprobs: Optional[bool] | NotGiven = NOT_GIVEN,
+        max_tokens: Optional[int] | NotGiven = NOT_GIVEN,
+        n: Optional[int] | NotGiven = NOT_GIVEN,
+        presence_penalty: Optional[float] | NotGiven = NOT_GIVEN,
+        response_format: Optional[completion_create_params.ResponseFormat] | NotGiven = NOT_GIVEN,
+        seed: Optional[int] | NotGiven = NOT_GIVEN,
+        stop: Union[Optional[str], List[str], None] | NotGiven = NOT_GIVEN,
+        stream: Optional[Literal[False]] | Literal[True] | NotGiven = NOT_GIVEN,
+        temperature: Optional[float] | NotGiven = NOT_GIVEN,
+        tool_choice: Optional[completion_create_params.ToolChoice] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[completion_create_params.Tool]] | NotGiven = NOT_GIVEN,
+        top_logprobs: Optional[int] | NotGiven = NOT_GIVEN,
+        top_p: Optional[float] | NotGiven = NOT_GIVEN,
+        user: Optional[str] | NotGiven = NOT_GIVEN,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> ChatCompletion | AsyncStream[ChatCompletionChunk]:
         """
         Creates a model response for the given chat conversation.
 
@@ -381,6 +584,8 @@ async def create(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
             ),
             cast_to=ChatCompletion,
+            stream=stream or False,
+            stream_cls=AsyncStream[ChatCompletionChunk],
         )
 
 
diff --git a/tests/api_resources/chat/test_completions.py b/tests/api_resources/chat/test_completions.py
index 96e5cd9..4f0945d 100644
--- a/tests/api_resources/chat/test_completions.py
+++ b/tests/api_resources/chat/test_completions.py
@@ -89,7 +89,7 @@ def test_method_create_with_all_params(self, client: Groq) -> None:
             response_format={"type": "string"},
             seed=0,
             stop="\n",
-            stream=True,
+            stream=False,
             temperature=0,
             tool_choice="none",
             tools=[
@@ -252,7 +252,7 @@ async def test_method_create_with_all_params(self, async_client: AsyncGroq) -> N
             response_format={"type": "string"},
             seed=0,
             stop="\n",
-            stream=True,
+            stream=False,
             temperature=0,
             tool_choice="none",
             tools=[