All model families · Shutdown calendar
GPT-5.3 codex deprecation & shutdown dates
2 GPT-5.3 codex versions tracked across 2 providers. Next shutdown: gpt-5.3-codex on OpenAI, Apr 1, 2027. Official replacements named: gpt-6-sol.
Last checked 2026-10-18 on the official deprecation pages.
Every GPT-5.3 codex version on every provider we track, with the date and replacement each official deprecation page gives.
| Model ID | Provider | Status | Shutdown | Replacement |
|---|---|---|---|---|
gpt-5.3-codex | OpenAI | scheduled | Apr 1, 2027 | gpt-6-sol |
gpt-5.3-codex (2026-02-24) | Azure OpenAI | scheduled | Aug 24, 2027 | None listed by provider |
Get a heads-up before your model dies
One short email a week: what shuts down in the next 30 days, and what to switch to.
Form not loading? Subscribe here.
Frequently asked questions
When is GPT-5.3 codex being deprecated?
2 GPT-5.3 codex versions tracked across 2 providers. Next shutdown: gpt-5.3-codex on OpenAI, Apr 1, 2027. Official replacements named: gpt-6-sol.
What replaces GPT-5.3 codex?
The providers name: gpt-6-sol.
When does gpt-5.3-codex on OpenAI shut down?
gpt-5.3-codex on OpenAI shuts down on Apr 1, 2027. Recommended replacement: gpt-6-sol.
When does gpt-5.3-codex (2026-02-24) on Azure OpenAI shut down?
gpt-5.3-codex (2026-02-24) on Azure OpenAI shuts down on Aug 24, 2027. The provider lists no replacement.