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Merge f3a3639cac into ca20626f84

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Wu Shuwen 2026-10-15 03:35:05 +00:00 • committed by GitHub
commit 75e6e67af9
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2 changed files with 12 additions and 1 deletions
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5
strix/config/models.py
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@ -736,10 +736,13 @@ def resolve_api_type(model_name: str, settings: Settings) -> ApiType:
An explicit ``STRIX_API_TYPE`` wins. Otherwise the model decides: Responses
when LiteLLM's catalog lists ``/v1/responses`` for it, chat completions for
everything else.
everything else. Models routed through LiteLLM (non-OpenAI providers) always
use chat completions because the Responses endpoint is OpenAI-specific.
"""
if settings.llm.api_type is not None:
return settings.llm.api_type
if routes_through_litellm(model_name):
return "chat_completions"
if _RESPONSES_ENDPOINT in _catalog_supported_endpoints(model_name):
return "responses"
return "chat_completions"

8
tests/test_models.py
View file

@ -169,6 +169,14 @@ def test_resolve_api_type_follows_the_catalog_not_the_base_url(
assert uses_chat_completions_tool_schema(model, settings) is True, model
def test_litellm_models_use_chat_completions_even_when_catalog_lists_responses(
monkeypatch: pytest.MonkeyPatch,
) -> None:
monkeypatch.setattr(models, "_catalog_supported_endpoints", lambda _model: ["/v1/responses"])
assert resolve_api_type("anthropic/claude-sonnet-4-5", Settings()) == "chat_completions"
def test_resolve_api_type_explicit_override_wins(monkeypatch: pytest.MonkeyPatch) -> None:
_settings(monkeypatch, "gpt-daybreak-blue-latest", "https://gateway.example/v1")
monkeypatch.setenv("STRIX_API_TYPE", "chat_completions")