All model families · Shutdown calendar
GPT-5.1 deprecation & shutdown dates
2 GPT-5.1 versions tracked across 2 providers. Next shutdown: gpt-5.1 on OpenAI, Apr 1, 2027. Official replacements named: gpt-6-sol.
Last checked 2026-10-18 on the official deprecation pages.
Every GPT-5.1 version on every provider we track, with the date and replacement each official deprecation page gives.
| Model ID | Provider | Status | Shutdown | Replacement |
|---|---|---|---|---|
gpt-5.1 | OpenAI | scheduled | Apr 1, 2027 | gpt-6-sol |
gpt-5.1 (2025-11-13) | Azure OpenAI | scheduled | May 15, 2027 | None listed by provider |
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Frequently asked questions
When is GPT-5.1 being deprecated?
2 GPT-5.1 versions tracked across 2 providers. Next shutdown: gpt-5.1 on OpenAI, Apr 1, 2027. Official replacements named: gpt-6-sol.
What replaces GPT-5.1?
The providers name: gpt-6-sol.
When does gpt-5.1 on OpenAI shut down?
gpt-5.1 on OpenAI shuts down on Apr 1, 2027. Recommended replacement: gpt-6-sol.
When does gpt-5.1 (2025-11-13) on Azure OpenAI shut down?
gpt-5.1 (2025-11-13) on Azure OpenAI shuts down on May 15, 2027. The provider lists no replacement.