OpenAI gpt-5-2025-08-07, gpt-5-mini, gpt-5-nano, gpt-5-pro, o3 and o3-pro snapshots: sunset date 2026-12-11
The sunset date for these OpenAI gpt-5 and o3 snapshots is 2026-12-11, which is 62 days after 2026-10-10, the date this data was compiled.
- Provider
- OpenAI
- Category
- ai-model
- Sunset date
- 2026-12-11 (62 days remaining as of 2026-10-10)
- What stops working
- Requests to these dated snapshots fail after the shutdown date.
- Replacement
- gpt-5.6-sol, gpt-5.6-terra or gpt-5.6-luna depending on the model
Source
OpenAI API deprecations, developers.openai.com (printed as text, not linked). Read on 2026-10-10. Confirm the date on that page before acting.
Related sunsets
- OpenAI o1, o3-mini and o4-mini (2026-10-23)
- OpenAI gpt-5.1, 5.3-codex, 5.4-nano (2027-04-01)
- OpenAI Evals, prompts API, Agent Builder (2026-11-30)