GPT-4o, GPT-4o mini, GPT-4.1 and GPT-4.1 mini to shut down January 14, 2027

The remaining GPT-4o, GPT-4o mini, GPT-4.1 and GPT-4.1 mini snapshots, and fine-tunes built on them, will be removed on January 14, 2027, with gpt-6-luna as the replacement.

Who is affected:

Apps and fine-tunes built on GPT-4o or GPT-4.1.

Action needed:

Migrate to gpt-6-luna before January 14, 2027 and re-test quality.