Get an API key

Self-serve fine-tuning job creation on OpenAI API is removed on January 6, 2027

Provider API

Date
(UTC)
Replacement
See the fine-tuning timeline.
Provider
OpenAI
Last checked

What changes

Recommended replacement: See the fine-tuning timeline..

Deprecated
Stops working

Source

developers.openai.com

Jan 6, 2027 | Self-serve fine-tuning job creation | Restricted access | See the fine-tuning timeline. | May 7, 2026

Does your code use it?

Paste a public repository. Since.dev analyzes it and shows the files and lines these dates hit.

Public repository. No sign in.

A warm wave of orange and red light over deep blue

Put your code on continuous maintenance.

Scan a public repository now, or give your agent one line.

See how out of date your code is.

Any public GitHub repository. No sign-in.

Tell your agent what changed since it was trained.

claude mcp add --transport http since https://api.since.dev/mcp
Get an API key

Codex, Cursor and any MCP client use https://api.since.dev/mcp.