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2026-10-01: GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano
- Takes effect
- 1 Apr 2027
- Published
- 4 Oct 2026
The following models are deprecated and will be removed from the API on April 1, 2027, with six months’ notice. Migrate to the recommended replacements before the shutdown date. Shutdown date Model / system Recommended replacement Apr 1, 2027 gpt-5.3-codex gpt-6-sol Apr 1, 2027 gpt-5.4-nano gpt-6-luna Apr 1, 2027 gpt-5.1 gpt-6-sol
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