From 1b91e1656aba9f0ab99e62659ca520e5fd4eee41 Mon Sep 17 00:00:00 2001 From: Sameer Kankute Date: Tue, 17 Mar 2026 23:20:59 +0530 Subject: [PATCH] Add support for gpt-5.4 mini and nano --- .../llms/openai/chat/gpt_5_transformation.py | 6 +- ...odel_prices_and_context_window_backup.json | 85 +++++++++++++------ model_prices_and_context_window.json | 85 +++++++++++++------ .../llms/openai/test_gpt5_transformation.py | 85 +++++++++++++++++++ 4 files changed, 202 insertions(+), 59 deletions(-) diff --git a/litellm/llms/openai/chat/gpt_5_transformation.py b/litellm/llms/openai/chat/gpt_5_transformation.py index bb5783011a..4fa45284df 100644 --- a/litellm/llms/openai/chat/gpt_5_transformation.py +++ b/litellm/llms/openai/chat/gpt_5_transformation.py @@ -200,14 +200,14 @@ class OpenAIGPT5Config(OpenAIGPTConfig): if "reasoning_effort" in optional_params: optional_params["reasoning_effort"] = normalized - if effective_effort is not None and effective_effort == "xhigh": - if not self._supports_reasoning_effort_level(model, "xhigh"): + if effective_effort is not None and effective_effort == "xhigh" or effective_effort == "minimal": + if not self._supports_reasoning_effort_level(model, effective_effort): if litellm.drop_params or drop_params: non_default_params.pop("reasoning_effort", None) else: raise litellm.utils.UnsupportedParamsError( message=( - "reasoning_effort='xhigh' is only supported for gpt-5.1-codex-max, gpt-5.2, and gpt-5.4+ models." + f"reasoning_effort={effective_effort} is not supported for this model." ), status_code=400, ) diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json index 0be7aefa36..1ac73d5bc0 100644 --- a/litellm/model_prices_and_context_window_backup.json +++ b/litellm/model_prices_and_context_window_backup.json @@ -18333,7 +18333,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.2": { "cache_read_input_token_cost": 1.75e-07, @@ -18373,7 +18374,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-2025-12-11": { "cache_read_input_token_cost": 1.75e-07, @@ -18413,7 +18415,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-chat-latest": { "cache_read_input_token_cost": 1.75e-07, @@ -18450,7 +18453,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.3-chat-latest": { "cache_read_input_token_cost": 1.75e-07, @@ -18487,7 +18491,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-pro": { "input_cost_per_token": 2.1e-05, @@ -18520,7 +18525,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-pro-2025-12-11": { "input_cost_per_token": 2.1e-05, @@ -18553,7 +18559,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4": { "cache_read_input_token_cost": 2.5e-07, @@ -18602,7 +18609,8 @@ "supports_service_tier": true, "supports_vision": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4-2026-03-05": { "cache_read_input_token_cost": 2.5e-07, @@ -18697,7 +18705,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4-pro-2026-03-05": { "cache_read_input_token_cost": 3e-06, @@ -18745,7 +18754,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4-mini": { "cache_read_input_token_cost": 7.5e-08, @@ -18786,7 +18796,8 @@ "supports_service_tier": true, "supports_vision": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": false }, "gpt-5.4-nano": { "cache_read_input_token_cost": 2e-08, @@ -18827,7 +18838,8 @@ "supports_service_tier": true, "supports_vision": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": false }, "gpt-5-pro": { "input_cost_per_token": 1.5e-05, @@ -18862,7 +18874,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-pro-2025-10-06": { "input_cost_per_token": 1.5e-05, @@ -18897,7 +18910,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-2025-08-07": { "cache_read_input_token_cost": 1.25e-07, @@ -18939,7 +18953,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-chat": { "cache_read_input_token_cost": 1.25e-07, @@ -18973,7 +18988,8 @@ "supports_tool_choice": false, "supports_vision": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-chat-latest": { "cache_read_input_token_cost": 1.25e-07, @@ -19007,7 +19023,8 @@ "supports_tool_choice": false, "supports_vision": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-codex": { "cache_read_input_token_cost": 1.25e-07, @@ -19040,7 +19057,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.1-codex": { "cache_read_input_token_cost": 1.25e-07, @@ -19076,7 +19094,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.1-codex-max": { "cache_read_input_token_cost": 1.25e-07, @@ -19109,7 +19128,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.1-codex-mini": { "cache_read_input_token_cost": 2.5e-08, @@ -19145,7 +19165,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-codex": { "cache_read_input_token_cost": 1.75e-07, @@ -19181,7 +19202,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.3-codex": { "cache_read_input_token_cost": 1.75e-07, @@ -19217,7 +19239,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-mini": { "cache_read_input_token_cost": 2.5e-08, @@ -19259,7 +19282,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-mini-2025-08-07": { "cache_read_input_token_cost": 2.5e-08, @@ -19301,7 +19325,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-nano": { "cache_read_input_token_cost": 5e-09, @@ -19340,7 +19365,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-nano-2025-08-07": { "cache_read_input_token_cost": 5e-09, @@ -19378,7 +19404,9 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true + }, "gpt-image-1": { "cache_read_input_image_token_cost": 2.5e-06, @@ -36349,7 +36377,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-search-api-2025-10-14": { "cache_read_input_token_cost": 1.25e-07, diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json index 0be7aefa36..1ac73d5bc0 100644 --- a/model_prices_and_context_window.json +++ b/model_prices_and_context_window.json @@ -18333,7 +18333,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.2": { "cache_read_input_token_cost": 1.75e-07, @@ -18373,7 +18374,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-2025-12-11": { "cache_read_input_token_cost": 1.75e-07, @@ -18413,7 +18415,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-chat-latest": { "cache_read_input_token_cost": 1.75e-07, @@ -18450,7 +18453,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.3-chat-latest": { "cache_read_input_token_cost": 1.75e-07, @@ -18487,7 +18491,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-pro": { "input_cost_per_token": 2.1e-05, @@ -18520,7 +18525,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-pro-2025-12-11": { "input_cost_per_token": 2.1e-05, @@ -18553,7 +18559,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4": { "cache_read_input_token_cost": 2.5e-07, @@ -18602,7 +18609,8 @@ "supports_service_tier": true, "supports_vision": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4-2026-03-05": { "cache_read_input_token_cost": 2.5e-07, @@ -18697,7 +18705,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4-pro-2026-03-05": { "cache_read_input_token_cost": 3e-06, @@ -18745,7 +18754,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.4-mini": { "cache_read_input_token_cost": 7.5e-08, @@ -18786,7 +18796,8 @@ "supports_service_tier": true, "supports_vision": true, "supports_none_reasoning_effort": true, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": false }, "gpt-5.4-nano": { "cache_read_input_token_cost": 2e-08, @@ -18827,7 +18838,8 @@ "supports_service_tier": true, "supports_vision": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": false }, "gpt-5-pro": { "input_cost_per_token": 1.5e-05, @@ -18862,7 +18874,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-pro-2025-10-06": { "input_cost_per_token": 1.5e-05, @@ -18897,7 +18910,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-2025-08-07": { "cache_read_input_token_cost": 1.25e-07, @@ -18939,7 +18953,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-chat": { "cache_read_input_token_cost": 1.25e-07, @@ -18973,7 +18988,8 @@ "supports_tool_choice": false, "supports_vision": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-chat-latest": { "cache_read_input_token_cost": 1.25e-07, @@ -19007,7 +19023,8 @@ "supports_tool_choice": false, "supports_vision": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-codex": { "cache_read_input_token_cost": 1.25e-07, @@ -19040,7 +19057,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.1-codex": { "cache_read_input_token_cost": 1.25e-07, @@ -19076,7 +19094,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.1-codex-max": { "cache_read_input_token_cost": 1.25e-07, @@ -19109,7 +19128,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.1-codex-mini": { "cache_read_input_token_cost": 2.5e-08, @@ -19145,7 +19165,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5.2-codex": { "cache_read_input_token_cost": 1.75e-07, @@ -19181,7 +19202,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": true + "supports_xhigh_reasoning_effort": true, + "supports_minimal_reasoning_effort": true }, "gpt-5.3-codex": { "cache_read_input_token_cost": 1.75e-07, @@ -19217,7 +19239,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-mini": { "cache_read_input_token_cost": 2.5e-08, @@ -19259,7 +19282,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-mini-2025-08-07": { "cache_read_input_token_cost": 2.5e-08, @@ -19301,7 +19325,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-nano": { "cache_read_input_token_cost": 5e-09, @@ -19340,7 +19365,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-nano-2025-08-07": { "cache_read_input_token_cost": 5e-09, @@ -19378,7 +19404,9 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true + }, "gpt-image-1": { "cache_read_input_image_token_cost": 2.5e-06, @@ -36349,7 +36377,8 @@ "supports_vision": true, "supports_web_search": true, "supports_none_reasoning_effort": false, - "supports_xhigh_reasoning_effort": false + "supports_xhigh_reasoning_effort": false, + "supports_minimal_reasoning_effort": true }, "gpt-5-search-api-2025-10-14": { "cache_read_input_token_cost": 1.25e-07, diff --git a/tests/test_litellm/llms/openai/test_gpt5_transformation.py b/tests/test_litellm/llms/openai/test_gpt5_transformation.py index 47ae3c44c9..8ae9bf48a6 100644 --- a/tests/test_litellm/llms/openai/test_gpt5_transformation.py +++ b/tests/test_litellm/llms/openai/test_gpt5_transformation.py @@ -324,6 +324,91 @@ def test_gpt5_4_pro_allows_reasoning_effort_xhigh(config: OpenAIConfig): assert params["reasoning_effort"] == "xhigh" +def test_gpt5_4_allows_reasoning_effort_minimal(config: OpenAIConfig): + """gpt-5.4 supports reasoning_effort='minimal'.""" + params = config.map_openai_params( + non_default_params={"reasoning_effort": "minimal"}, + optional_params={}, + model="gpt-5.4", + drop_params=False, + ) + assert params["reasoning_effort"] == "minimal" + + +def test_gpt5_4_pro_allows_reasoning_effort_minimal(config: OpenAIConfig): + """gpt-5.4-pro supports reasoning_effort='minimal'.""" + params = config.map_openai_params( + non_default_params={"reasoning_effort": "minimal"}, + optional_params={}, + model="gpt-5.4-pro", + drop_params=False, + ) + assert params["reasoning_effort"] == "minimal" + + +def test_gpt5_4_mini_rejects_reasoning_effort_minimal(config: OpenAIConfig): + """gpt-5.4-mini does not support reasoning_effort='minimal'.""" + with pytest.raises(litellm.utils.UnsupportedParamsError): + config.map_openai_params( + non_default_params={"reasoning_effort": "minimal"}, + optional_params={}, + model="gpt-5.4-mini", + drop_params=False, + ) + + +def test_gpt5_4_nano_rejects_reasoning_effort_minimal(config: OpenAIConfig): + """gpt-5.4-nano does not support reasoning_effort='minimal'.""" + with pytest.raises(litellm.utils.UnsupportedParamsError): + config.map_openai_params( + non_default_params={"reasoning_effort": "minimal"}, + optional_params={}, + model="gpt-5.4-nano", + drop_params=False, + ) + + +def test_gpt5_drops_reasoning_effort_minimal_when_requested(config: OpenAIConfig): + """reasoning_effort='minimal' is dropped for unsupported models when drop_params=True.""" + params = config.map_openai_params( + non_default_params={"reasoning_effort": "minimal"}, + optional_params={}, + model="gpt-5.4-mini", + drop_params=True, + ) + assert "reasoning_effort" not in params + + +def test_gpt5_minimal_dict_triggers_validation(config: OpenAIConfig): + """Dict with effort='minimal' triggers minimal model-support validation.""" + with pytest.raises(litellm.utils.UnsupportedParamsError): + config.map_openai_params( + non_default_params={"reasoning_effort": {"effort": "minimal", "summary": "detailed"}}, + optional_params={}, + model="gpt-5.4-mini", + drop_params=False, + ) + + +def test_gpt5_minimal_dict_accepted_for_supported_model(config: OpenAIConfig): + """Dict with effort='minimal' passes through for gpt-5.4+.""" + params = config.map_openai_params( + non_default_params={"reasoning_effort": {"effort": "minimal", "summary": "detailed"}}, + optional_params={}, + model="gpt-5.4", + drop_params=False, + ) + assert params["reasoning_effort"] == "minimal" + + +def test_gpt5_supports_reasoning_effort_level_minimal(gpt5_config: OpenAIGPT5Config): + """Test that _supports_reasoning_effort_level correctly identifies minimal support.""" + assert gpt5_config._supports_reasoning_effort_level("gpt-5.4", "minimal") + assert gpt5_config._supports_reasoning_effort_level("gpt-5.4-pro", "minimal") + assert not gpt5_config._supports_reasoning_effort_level("gpt-5.4-mini", "minimal") + assert not gpt5_config._supports_reasoning_effort_level("gpt-5.4-nano", "minimal") + + def test_gpt5_normalizes_reasoning_effort_dict_with_summary(config: OpenAIConfig): """Dict with summary/generate_summary is normalized for chat completions.""" params = config.map_openai_params(