diff --git a/tests/test_litellm/llms/anthropic/experimental_pass_through/messages/test_anthropic_messages_effort.py b/tests/test_litellm/llms/anthropic/experimental_pass_through/messages/test_anthropic_messages_effort.py index 95383f14197..71308504d9d 100644 --- a/tests/test_litellm/llms/anthropic/experimental_pass_through/messages/test_anthropic_messages_effort.py +++ b/tests/test_litellm/llms/anthropic/experimental_pass_through/messages/test_anthropic_messages_effort.py @@ -295,12 +295,13 @@ def test_non_adaptive_request_without_effort_is_untouched(): assert "thinking" not in result assert "output_config" not in result + def test_legacy_thinking_budget_preserved_for_adaptive_model(): """Regression: a caller-supplied ``budget_tokens`` is a hard reasoning ceiling that - adaptive thinking cannot express. Rewriting it to ``thinking={type: adaptive}`` plus - an effort bucket removed the ceiling, so a request bounded at 8000 thinking tokens - started reasoning past it and burning the whole max_tokens. 4.6/4.7 accept the legacy - shape, so it must be forwarded unchanged.""" + ``output_config.effort`` cannot express. Rewriting it to ``thinking={type: adaptive}`` + plus an effort bucket removed the ceiling, so a request bounded at 8000 thinking tokens + reasoned past it and burned the whole max_tokens. Sonnet 4.6 accepts the legacy shape, + so it must be forwarded unchanged.""" result = _transform( "claude-sonnet-4-6", {"max_tokens": 32768, "thinking": {"type": "enabled", "budget_tokens": 8000}}, @@ -312,7 +313,7 @@ def test_legacy_thinking_budget_preserved_for_adaptive_model(): def test_budget_less_legacy_thinking_translated_to_adaptive_for_4_6(): """``thinking={type: enabled}`` without a budget is not a valid Anthropic request, so - the legacy claude-code shape still has to be translated to the adaptive interface.""" + the legacy shape still has to be translated to the adaptive interface.""" result = _transform("claude-sonnet-4-6", {"max_tokens": 32768, "thinking": {"type": "enabled"}}) assert result["thinking"] == {"type": "adaptive"}