All model families · Shutdown calendar
GPT-5.1 codex max deprecation & shutdown dates
2 GPT-5.1 codex max versions tracked across 2 providers. Next shutdown: gpt-5.1-codex-max (2025-12-04) on Azure OpenAI, May 18, 2027. Official replacements named: gpt-5.6-sol.
Last checked 2026-10-18 on the official deprecation pages.
Every GPT-5.1 codex max 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-codex-max | OpenAI | retired | Jul 23, 2026 | gpt-5.6-sol |
gpt-5.1-codex-max (2025-12-04) | Azure OpenAI | scheduled | May 18, 2027 | None listed by provider |
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Frequently asked questions
When is GPT-5.1 codex max being deprecated?
2 GPT-5.1 codex max versions tracked across 2 providers. Next shutdown: gpt-5.1-codex-max (2025-12-04) on Azure OpenAI, May 18, 2027. Official replacements named: gpt-5.6-sol.
What replaces GPT-5.1 codex max?
The providers name: gpt-5.6-sol.
When does gpt-5.1-codex-max on OpenAI shut down?
gpt-5.1-codex-max on OpenAI was shut down on Jul 23, 2026. Recommended replacement: gpt-5.6-sol.
When does gpt-5.1-codex-max (2025-12-04) on Azure OpenAI shut down?
gpt-5.1-codex-max (2025-12-04) on Azure OpenAI shuts down on May 18, 2027. The provider lists no replacement.