GPT-5.2 and GPT-5.3-Codex have been sunset in Codex with ChatGPT subscriptions
OpenAI Developer Community
June 2, 2026
5.3 codex was brilliant and efficient, I pay $100/month and have never run out of credits until tonight now i’m forced to use 5.4 or 5.5, no way am I buying more credits up paying double the price to use something that doesn’t actually work any better
Discussion in the ATmosphere