ChatGPT adds Claude Code import with limits on chats and settings
OpenAI’s ChatGPT desktop app now lets users import chats, settings, and projects from Claude Code via a new feature, but with key restrictions. The migration supports up to 50 chats from the last 30 days and converts files like instruction files (AGENTS.md) and settings (config.toml), though some elements—such as slash commands—merge into different mechanisms (e.g., Skills). Authentication,…
What you can do with it
AI at Work →Import Claude Code chats and settings into ChatGPT with GPT-6 Astra
What you get You can move chat histories and reuse settings and tools.
Converts Claude Code files (e.g., instruction files, projects) into ChatGPT/Codex formats.
- Who for
- marketers
- Cost
- included in a tool you already have
Use it for
- Transfer coding projects
- Move chat histories
- Reuse settings and tools
Watch out Only the last 30 days of chats (max 50) transfer
Key points from the news
- ChatGPT’s import feature moves up to 50 Claude Code chats from the last 30 days, plus settings and projects, but not one-to-one
- Authentication, environment variables, and permissions require manual recheck after migration—no full sync guaranteed
- GPT-6 Astra handles the imported content with a 1.05M-token context window and 128K-token output limit
Teams relying on long-term project memories or confidential data should audit the transfer carefully. The process involves seven steps, but the bulk of effort lies in post-migration checks, including validating instruction files, project folders, and plugin permissions. OpenAI’s new model, GPT-6 Astra, powers the destination environment, offering a 1.05M-token context window and 128K-token output limit. The article advises starting with the safest permission setting (Ask for approval) to avoid unintended actions during verification.
Model page: GPT-6 Astra →
[Is that setting really working?] 8 things to check if you are moving from Claude Code to ChatGPT with GPT-6 Astra
note.com · 28 September 2026
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