ChatGPT's GPT-6 Rollout Leaves Work and Codex on September's Sol
ChatGPT's Chat tab now runs an October GPT-6 Sol snapshot while Work and Codex stay on September's. The October system card shows health and safety regressions, so re-run your acceptance prompts on Chat before the admin setting goes on for everyone.
October 7, 2026 · 10 min read