How to Use the New ChatGPT: Complete Guide (Work, Codex, GPT-5.6)
OpenAI rebuilt ChatGPT with Work, Codex, and GPT-5.6. Here's how to set it up, which model and plan to pick, and how to move your Claude workflow over.
TL;DR
- ChatGPT has been rebuilt with new modes: Chat for quick conversations, Work for longer tasks and deliverables, and Codex for technical work with local files.
- New GPT-5.6 models (Sol, Terra, Luna) are available, each with different capabilities and speeds, alongside customizable 'effort' levels for processing.
- The platform now offers a desktop app for macOS and Windows, alongside web and mobile interfaces, with features rolling out gradually based on plan and region.
- Key new features include Projects (folder-based on desktop), Skills for consistent process execution, Templates for reusable workflows, Plugins for tool integration, Sites for website building, and Scheduled Tasks for automation.
- Setup involves configuring Custom Instructions, Memory, and Data Controls, with comparisons drawn to Claude's existing features and workflows.