OpenAI · Model retirement
gpt-5.2-codex
Stopped working
Calls to the model gpt-5.2-codex on OpenAI stopped working on July 23, 2026.
What to use instead of gpt-5.2-codex
Move to gpt-5.6-sol, recommended by OpenAI.
Facts
- API
- OpenAI
api.openai.com - Model
gpt-5.2-codex- Kind
- Model retirement
- Takes effect
- July 23, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
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