Which AI models are being retired?
Labs quietly edit their deprecation pages and your app breaks a quarter later. We diff those pages every run and keep the lines that changed, so a retirement date can't move without leaving a trace.
· watching Anthropic model deprecations, OpenAI API deprecations
| Lab | Date | Change | What changed |
|---|---|---|---|
| OpenAI | Fri 04 Sep 2026 | OpenAI API deprecations: page now tracked | Now tracking this page; changes will appear here as they happen. Latest announcements: 2026-08-26: Transcription models; 2026-07-20: Legacy audio, realtime, and transcription models; 2026-06-11: GPT-5 and o3 model deprecations; 2026-06-03: Reusable prompts; 2026-06-03: Evals platform; 2026-06-03: Agent Builder |
| Anthropic | Fri 04 Sep 2026 | Anthropic model deprecations: page now tracked | Now tracking this page; changes will appear here as they happen. Latest announcements: 2026-06-05: Claude Opus 4.1 model; 2026-04-14: Claude Sonnet 4 and Claude Opus 4 models; 2026-02-19: Claude Haiku 3 model; 2025-12-19: Claude Haiku 3.5 model; 2025-10-28: Claude Sonnet 3.7 model; 2025-08-13: Claude Sonnet 3.5 models |
Each row is a change we saw on the lab's own page, linked back to it. Go and read the source before you plan a migration around it.
Posts that mention a retirement
Tracked posts whose headline uses words like deprecate, sunset or retire. Some are announcements, some just mention one in passing, so read before you panic.
No tracked post has announced a retirement yet.
Wondering what to move to? Model Watch has the prices and context windows, and the release timeline shows what shipped since.