GPT-5.2 and GPT-5.3-Codex have been sunset in Codex with ChatGPT subscriptions
OpenAI Developer Community
June 4, 2026
ah ok. yeah when I look at it too I dont see it mentioned at all. But if it is confirmed that it is available will be stoked to upgrade.
It is still available in Cursor so am working with it there a bit on a needed basis.
Discussion in the ATmosphere