Codex changelog
Latest Codex updates from the official source. live
GPT-5.5 retirement in Codex
GPT-5.5 retirement in Codex Effective October 14, 2026, at noon PDT (19:00 UTC), GPT-5.5 retires from Codex for users signed in with ChatGPT. The OpenAI API and Codex sessions authenticated with an API key aren't affected. Use GPT-6.1 Sol (gpt-6.1-sol) when available to your plan and client. Update workspace defaults,…
GPT-6.1 Sol Ultrafast in Codex and ChatGPT Work
GPT-6.1 Sol Ultrafast in Codex and ChatGPT Work Ultrafast mode speeds up token generation with GPT-6.1 Sol in Codex and ChatGPT Work. Ultrafast is available on Pro $500 and eligible Enterprise and Edu plans. Enterprise access is off by default; workspace owners must enable it. GPT-6.1 Sol Ultrafast supports inference…
ChatGPT for iOS
ChatGPT for iOS New features - Page previews now appear inline in responses. - Added support for opening Codex task links directly on iOS. Improvements and bug fixes - Redesigned the approval picker with clearer permission choices. - Find plugins from a single Plugins entry in the composer's plus menu. - Faster…
ChatGPT for iOS
ChatGPT for iOS New features - New Home Screen widgets show recent tasks from your selected computers. - Track remaining usage and reset times with Home Screen and Lock Screen widgets. - Added a setting to keep the keyboard open after sending a message. Improvements and bug fixes - Faster task list refresh when…
GPT-6.1 Sol in Codex and ChatGPT Work
GPT-6.1 Sol in Codex and ChatGPT Work GPT-6.1 Sol offers near-Astra performance for complex work at a lower cost than Astra. Consider it for repeated, long-running work across code, apps, and documents. Availability depends on your plan, client, and workspace settings. Use gpt-6.1-sol. See Models for availability and…
macOS security update
macOS security update Security fixes - Fixed CVE-2026-100754 on macOS in version 26.924.20706, with thanks to Patrick Wardle, Objective-See Foundation.
ChatGPT for iOS
ChatGPT for iOS New features - Redesigned home screen. - New iPad split view keeps your task list beside the open task in landscape. - Added support for browsing changes inside nested Git repositories. Improvements and bug fixes - Side chats now carry over attachments, selected text, and review comments. - Fixed…
GPT-6 Sol and Luna in Codex and ChatGPT Work
GPT-6 Sol and Luna in Codex and ChatGPT Work GPT-6 Sol and GPT-6 Luna are rolling out to Codex and ChatGPT Work at lower token prices than their GPT-5.6 predecessors. Use Sol for complex coding and agentic workflows, and Luna for focused, high-volume tasks. Both models are rolling out to Plus, Pro, Business,…
ChatGPT for iOS
ChatGPT for iOS New features - Create folders directly from the file picker. - Added support for writing blocks, with draft alternatives and copy actions. Improvements and bug fixes - New tasks remember your worktree mode and setup environment for each project. - Long queued prompts show a compact preview and expand…
GPT-5.3-Codex-Spark deprecated
GPT-5.3-Codex-Spark deprecated GPT-5.3-Codex-Spark was deprecated on September 14, 2026. The research preview is no longer available in the ChatGPT desktop app, Codex CLI, or IDE extension. Switch to one of the recommended models, and update saved configurations, custom agents, and scripts that select…
GPT-5.5 retires from ChatGPT, ChatGPT Work, and Codex on October 14
GPT-5.5 retires from ChatGPT, ChatGPT Work, and Codex on October 14 On October 14, 2026, GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans, including consumer, Business, Enterprise, and Edu plans. This retirement does not apply to the OpenAI API. For Codex with ChatGPT sign-in, choose an available…
Quick chats with Pets and Appshots on Windows
Quick chats with Pets and Appshots on Windows Chat while you work Keep ChatGPT close while you work in other apps. In the ChatGPT desktop app on macOS and Windows, you can now type a quick chat from the floating Pets controls and press Enter to send it. Use @ to add context and $ to choose a skill. Select the bell…
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