When is o3-pro retired?
Migration guide: What to Do Before OpenAI GPT-5 and o3 Shut Down on December 11, 2026
deprecated
o3-pro on OpenAI is scheduled to shut down on Dec 11, 2026.
Replacement: gpt-5.6-sol ( reasoning.mode: pro )
| Provider (API) | OpenAI |
|---|---|
| Model ID | o3-pro |
| Deprecation announced | Jun 11, 2026 |
| Shutdown date | Dec 11, 2026 |
| Section on source page | 2026-06-11: GPT-5 and o3 model deprecations |
| Source | https://developers.openai.com/api/docs/deprecations |
| Last checked | 2026-11-06T05:52:31+00:00 |
Last checked 2026-11-06 · Source · Markdown · JSON
Add the shutdown date to your calendar
Migration
- OpenAI lists
gpt-5.6-sol ( reasoning.mode: pro )as the recommended replacement foro3-pro(official source). - Read the provider's official notes on the source page before switching model IDs.
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