OpenAI self-serve fine-tuning changelog

Self-serve fine-tuning closed to new users, ends for all on January 6, 2027

From May 7, 2026, organizations that never ran fine-tuning cannot start. From July 2, 2026, organizations without fine-tuned inference in the past 60 days cannot create jobs. On January 6, 2027, all new fine-tuning jobs stop. Inference continues until base models are deprecated.

Takes effect Jan 6, 2027 · in 66 days

Who is affected:

Teams that train fine-tuned OpenAI models.

Action needed:

Plan for no new fine-tuning jobs after January 6, 2027.