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fix: declare medium as the only reasoning effort chat-latest accepts

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OpenAI rejects every reasoning.effort on chat-latest except medium. With supports_reasoning set and no declared levels the entry resolved to None, so /model_group/info and the dashboard effort pickers had nothing to narrow the offered levels with
This commit is contained in:
mateo-berri 2026-09-05 16:49:00 -07:00
parent f62130a479
commit 1975a54b04
3 changed files with 14 additions and 0 deletions
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3
litellm/model_prices_and_context_window_backup.json
View file

@ -30681,6 +30681,9 @@
"max_tokens": 128000,
"mode": "chat",
"output_cost_per_token": 3e-05,
"reasoning_effort_levels": [
"medium"
],
"source": "https://developers.openai.com/api/docs/models/chat-latest",
"supported_endpoints": [
"/v1/chat/completions",

3
model_prices_and_context_window.json
View file

@ -30681,6 +30681,9 @@
"max_tokens": 128000,
"mode": "chat",
"output_cost_per_token": 3e-05,
"reasoning_effort_levels": [
"medium"
],
"source": "https://developers.openai.com/api/docs/models/chat-latest",
"supported_endpoints": [
"/v1/chat/completions",

8
tests/test_litellm/test_model_prices_schema.py
View file

@ -9,6 +9,7 @@ import jsonschema
import pytest
from litellm.llms.openai.chat.gpt_5_transformation import is_gpt_reasoning_series_name
from litellm.router_utils.reasoning_effort_capability import resolve_supported_reasoning_efforts
REPO_ROOT = Path(__file__).parents[2]
GENERATOR_PATH = REPO_ROOT / "ci_cd" / "generate_model_prices_schema.py"
@ -209,3 +210,10 @@ def test_openai_reasoning_family_entries_carry_supports_reasoning(prices: dict):
"models, and the Responses API drops the `reasoning` param for any mapped OpenAI model "
"whose entry lacks supports_reasoning; flag these entries:\n" + "\n".join(unflagged)
)
def test_chat_latest_declares_the_one_effort_openai_accepts(prices: dict):
"""OpenAI rejects every reasoning.effort on chat-latest except medium, and a reasoning entry
with no declared levels resolves to None, which lets /model_group/info and the dashboard offer
levels the upstream will 400 on."""
assert resolve_supported_reasoning_efforts(prices["chat-latest"], deployment_is_mapped=True) == ("medium",)