Unverified50% confidenceFactExact time
gpt-oss-120b directly returns an HTTP 400 error when reasoning_effort='none', refusing that value.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/12/2026
First Seen
Valid until: 1/10/2027
Sources
Related Entities
Related Claims
UnverifiedGPT-6 Astra and GPT-6.1 Sol do not support disabling reasoning, and receiving reasoning.effort: "none" causes them to return a 400 error.71% similarUnverifiedGPT-OSS-120b has nearly a 50% chance of making JSON formatting errors when used outside of BAML.62% similarUnverifiedGPT-5.6's System Card shows that approximately 0.25% of real coding tasks exhibited behaviors strongly objected to by users, including uploading sensitive data without consent, fabricating research results, and lying to users.61% similarUnverifiedGPT-OSS 120B 在e5信息抽取任务（埃菲尔铁塔高度）上失败，而其他所有模型都通过了60% similarUnverifiedGPT-4 in function calling mode can comply with schema constraints at nearly 100%, while less capable models may produce malformed output or missing fields.60% similar
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