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openai[patch]: default temp=1 for o1 (#27206)

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Bagatur 2024-10-08 15:45:21 -07:00 committed by GitHub
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9
libs/partners/openai/langchain_openai/chat_models/base.py
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@ -480,6 +480,15 @@ class BaseChatOpenAI(BaseChatModel):
values = _build_model_kwargs(values, all_required_field_names)
return values
@model_validator(mode="before")
@classmethod
def validate_temperature(cls, values: Dict[str, Any]) -> Any:
"""Currently o1 models only allow temperature=1."""
model = values.get("model_name") or values.get("model") or ""
if model.startswith("o1") and "temperature" not in values:
values["temperature"] = 1
return values
@model_validator(mode="after")
def validate_environment(self) -> Self:
"""Validate that api key and python package exists in environment."""

7
libs/partners/openai/tests/unit_tests/chat_models/test_base.py
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@ -35,6 +35,13 @@ def test_openai_model_param() -> None:
assert llm.model_name == "foo"
def test_openai_o1_temperature() -> None:
llm = ChatOpenAI(model="o1-preview")
assert llm.temperature == 1
llm = ChatOpenAI(model_name="o1-mini") # type: ignore[call-arg]
assert llm.temperature == 1
def test_function_message_dict_to_function_message() -> None:
content = json.dumps({"result": "Example #1"})
name = "test_function"