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fix: override _supports_reasoning_effort_level for Azure gpt5_series prefix

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The Azure GPT-5 config uses 'gpt5_series/' as a routing prefix, but
_supports_factory(model='gpt5_series/gpt-5.1') fails to resolve because
'gpt5_series' is not a recognized provider. Override the method to strip
the prefix and prepend 'azure/' for correct model info lookup.

Co-authored-by: Ishaan Jaff <ishaan-jaff@users.noreply.github.com>
This commit is contained in:
Cursor Agent 2026-03-07 03:58:48 +00:00
parent 4ba952d896
commit dbeee7470b
1 changed files with 15 additions and 0 deletions
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15
litellm/llms/azure/chat/gpt_5_transformation.py
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@ -15,6 +15,21 @@ class AzureOpenAIGPT5Config(AzureOpenAIConfig, OpenAIGPT5Config):
GPT5_SERIES_ROUTE = "gpt5_series/"
@classmethod
def _supports_reasoning_effort_level(cls, model: str, level: str) -> bool:
"""Override to handle gpt5_series/ prefix used for Azure routing.
The parent class calls ``_supports_factory(model, custom_llm_provider=None)``
which fails to resolve ``gpt5_series/gpt-5.1`` to the correct Azure model
entry. Strip the prefix and prepend ``azure/`` so the lookup finds
``azure/gpt-5.1`` in model_prices_and_context_window.json.
"""
if model.startswith(cls.GPT5_SERIES_ROUTE):
model = "azure/" + model[len(cls.GPT5_SERIES_ROUTE) :]
elif not model.startswith("azure/"):
model = "azure/" + model
return super()._supports_reasoning_effort_level(model, level)
@classmethod
def is_model_gpt_5_model(cls, model: str) -> bool:
"""Check if the Azure model string refers to a gpt-5 variant.