OpenAI launches GPT 5.6, revamps ChatGPT app to mimic Claude's tab layout, causing user confusion

OpenAI 发布 GPT 5.6，全新 ChatGPT 应用模仿 Claude 拆分 Tab 交互混乱

OpenAI released GPT 5.6 and renamed the Codex app to the new ChatGPT app, closely following Anthropic's product naming and layout. The app splits into Work and Code tabs; switching only changes the top-left icon, while chat shrinks into a small bottom-right popup. Users report confusion and can't find old chat history. The Codex Site plugin is live, generating multiple web pages, connecting business data, and deploying to OpenAI's site. Mobile ChatGPT can now call the original Codex plugins. Browser-use and computer-use features are upgraded for speed and accuracy. GPT 5.6 improves front-end output, avoiding cookie-cutter UIs. The post doesn't disclose benchmarks or regional availability for GPT 5.6.

Why it matters: Major OpenAI product revamp: GPT 5.6 launch plus Codex folded into ChatGPT, UI directly cloning Claude's tab pattern. But the toggle logic is broken, chat gets demoted to a corner popup, and users can't find old history — a product decision worth questioning. Score stays below...