GPT-5.4 leaves Codex on 31 August 2026: Codex vs Copilot code review costs
GPT-5.4 leaves Codex on 31 August 2026: Codex vs Copilot code review costs
Summary. OpenAI will remove GPT-5.4 and GPT-5.4 mini from Codex on 31 August 2026 for anyone signed in with ChatGPT, with gpt
ecorpit.hashnode.dev18 min read