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Merge 89ffe4bb28 into d7620c77a1

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Mrunmayee Daware 2026-10-19 19:10:19 +00:00 • committed by GitHub
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2 changed files with 18 additions and 1 deletions
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2
litellm/llms/openai/chat/gpt_5_transformation.py
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@ -77,7 +77,7 @@ def unsupported_reasoning_effort_message(param: str, level: str, model: str) ->
def is_gpt_reasoning_series_name(model: str) -> bool:
normalized: Final = model.split("/")[-1]
return any(marker in model for marker in GPT_REASONING_SERIES_MARKERS) and "gpt-5-chat" not in normalized
return any(marker in normalized for marker in GPT_REASONING_SERIES_MARKERS) and "gpt-5-chat" not in normalized
class OpenAIGPT5Config(OpenAIGPTConfig):

17
tests/unit/llms/openai/test_is_model_gpt_5_model.py
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@ -73,6 +73,17 @@ GPT5_MODELS = [
]
# Models that must NOT be classified as GPT-5 (regular chat path)
# Non-reasoning models routed under groups/gateways whose PATH contains a gpt-5/gpt-6
# marker. Regression: the marker check must run against the normalized model name
# (after the last "/"), not the raw route, or these get reasoning transformations
# (temperature=1 enforcement, max_completion_tokens swap) and 400 from upstream.
ROUTED_NON_REASONING_MODELS = [
"gpt-5-gateway/claude-3-5-sonnet",
"gpt-5-team/llama-3.3-70b",
"gpt-6-proxy/mistral-large",
"my-gpt-5-org/gemini-2.0-flash",
]
NON_GPT5_MODELS = [
"gpt-5-chat", # gpt-5-chat family — regular chat path
"gpt-5-chat-latest", # gpt-5-chat family with alias suffix
@ -109,6 +120,12 @@ class TestOpenAIGPT5ConfigIsModelGpt5Model:
model
), f"Expected '{model}' NOT to be classified as a GPT-5 model"
@pytest.mark.parametrize("model", ROUTED_NON_REASONING_MODELS)
def test_routed_non_reasoning_models_are_not_classified_as_gpt5(self, model: str):
assert not OpenAIGPT5Config.is_model_gpt_5_model(
model
), f"Route prefix in '{model}' must not trigger the GPT-5 reasoning path"
def test_versioned_chat_models_are_not_excluded_by_prefix(self):
"""Core regression guard: gpt-5-chat prefix must not match versioned models."""
versioned_chat_models = ["gpt-5.1-chat", "gpt-5.2-chat", "gpt-5.3-chat"]