Cross-Platform AI Chat Sync (IDE ↔ Web)

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Short answer: Closest open GitHub OpenAI Codex enhancement:

github.com/openai/codex

Sync my chats, conversation history between ChatGPT website, Codex in VScode.

opened 09:06AM - 24 Oct 25 UTC

interconnectedMe

enhancement extension

What feature would you like to see? I'd like to be able to see all my chats… on whatever platform I am on, but specifically for me, when I am using: 1. ChatGPT website 2. ChatGPT website > Codex 3. VScode, with Codex extension, on desktop 4. e.g. GitHub Codespaces, on VScode, with Codex extension, on desktop (or Codespaces in browser with VScode) - So that any work done with chats on my local desktop, is then visible in e.g. Codespaces when I spin up (and vice versa). - Also so that while away from desktop / laptop, any ideas I may have that I throw in a chat on my phone, also show up. - ChatGPT Projects would be an obvious use case I can think of, to be able to load in VScode > Codex extension. That way, I can neatly drop any 'bright ideas' I may have, in a place that then makes sense. At the moment, if I switch from VScode on desktop, to VScode (Codespaces), neither sees the other's chat history / tasks. I have a janky workaround running that scans ~/.codex/sessions, then pulls each individual chat and formats to a .md file in a /worklog directory. So at least I can refer back to them (haven't yet tried the other way, to have these 'worklogs' pull in to my actual ChatGPT sessions history, but maybe that will work) But it would be a very nice feature, I think, if ChatGPT 'just remembered' our history, wherever I was. ### Additional information No response

Suggestion: Open a new issue with the tag/label: enhancement.

Also see:

Codex features are prioritized by votes in GitHub issues tab Codex

FYI We prioritize feature requests based on upvotes from the community. If a feature request doesn’t get enough upvotes, we’ll close it. It’s therefore important for a feature request to have a clear and compelling title and description. We also recommend that feature requests focus on the problem statement rather than a solution. Describe the use case and what problem you’d like to see solved. There are often multiple ways to address a given problem. Source Note: In GitHub feature request…

Asked ChatGPT 5.2

GitHub

openai/codex

Lightweight coding agent that runs in your terminal - openai/codex

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As a developer using Codex/AI inside IntelliJ IDEA, it would be extremely helpful if chat history could sync with the ChatGPT web interface.

It noted

1. Sync my chats, conversation history between ChatGPT website and Codex (VS Code)

• Issue: #5609 (open, labeled enhancement)
• Summary: Request to have chat history/conversation history sync across platforms — specifically between ChatGPT web and Codex (VS Code extension).
• Details:
  • The user wants chat history visible across platforms: ChatGPT web, Codex within editors, and between desktop/browser sessions.
  • Current behavior: chat history isn’t shared between environments, causing fragmentation.
  • Includes about VS Code but the intent closely matches your request for cross-environment sync (e.g., IntelliJ + ChatGPT web).
• Reactions: ~10 (indicating community support).
• Status: Open.

Relevance: This is the closest existing enhancement tracked in the repo. It captures the core idea of synchronizing conversational context/history across Codex editor integrations and the ChatGPT web interface.