feat(reasoning): support 'minimal' effort type for OpenAI

litellm/main.py

@@ -354,7 +354,7 @@ async def acompletion(
     logprobs: Optional[bool] = None,
     top_logprobs: Optional[int] = None,
     deployment_id=None,
-    reasoning_effort: Optional[Literal["low", "medium", "high"]] = None,
+    reasoning_effort: Optional[Literal["minimal", "low", "medium", "high"]] = None,
     # set api_base, api_version, api_key
     base_url: Optional[str] = None,
     api_version: Optional[str] = None,
@@ -893,7 +893,7 @@ def completion(  # type: ignore # noqa: PLR0915
     logit_bias: Optional[dict] = None,
     user: Optional[str] = None,
     # openai v1.0+ new params
-    reasoning_effort: Optional[Literal["low", "medium", "high"]] = None,
+    reasoning_effort: Optional[Literal["minimal", "low", "medium", "high"]] = None,
     response_format: Optional[Union[dict, Type[BaseModel]]] = None,
     seed: Optional[int] = None,
     tools: Optional[List] = None,

pyproject.toml

@@ -21,7 +21,7 @@ Documentation = "https://docs.litellm.ai"
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0, !=3.9.7"
 httpx = ">=0.23.0"
-openai = ">=1.68.2"
+openai = ">=1.99.5"
 python-dotenv = ">=0.2.0"
 tiktoken = ">=0.7.0"
 importlib-metadata = ">=6.8.0"

requirements.txt

@@ -1,7 +1,7 @@
 # LITELLM PROXY DEPENDENCIES #
 anyio==4.8.0 # openai + http req.
 httpx==0.28.1
-openai==1.81.0  # openai req.
+openai==1.99.5  # openai req.
 fastapi==0.115.5 # server dep
 backoff==2.2.1 # server dep
 pyyaml==6.0.2 # server dep