Expired85% confidenceEventTime unknown
OpenAI announced the complete shutdown of its fine-tuning service API, citing that GPT 5.5 is already sufficiently powerful in areas such as instruction following and format consistency.
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedOpenAI's GPT 5.5 has no notable weaknesses across various coding capabilities and is considered the most stable choice for enterprise-level applications.79% similarUnverifiedOpenAI has tied the release cadence of GPT-5.6 to a five-layer safety gate: model-level refusal, real-time classifiers, account-level review, differentiated permissions, and monitoring and deactivation.77% similar
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