ChatGPT to Claude Migration: Move Memory, Chats and Context
To move from ChatGPT to Claude, start with Claude’s memory import option. Then export your ChatGPT chats for the few you need to keep, and rebuild your custom instructions and projects in Claude. Memory moves in minutes. Chats don’t move as chats: you get a file to keep, and you bring over the parts you reuse.
The step people skip saves the most time later. Put the context you reuse in notes that any AI can read. Then the next switch isn’t a migration at all.
Can you transfer ChatGPT memory to Claude?
Yes. Claude has an option to import memory from other AI providers, in its memory settings (depending on your version of the app, look under Settings, then Memory or Capabilities). It works by copy and paste:
- Claude gives you a prompt.
- You run that prompt in ChatGPT, which lists what it has saved about you.
- You paste ChatGPT’s answer back into Claude.
Claude then adds those facts to its own memory, and you can review and edit them afterwards. What moves is the summary ChatGPT keeps about you (your job, preferences, recurring projects), not your full chat history. Check that the option is on your plan before you rely on it, since availability has changed as Anthropic rolled it out.
Before you paste, read the list. ChatGPT’s memory builds up over months, so it often holds stale entries: an old job title, a client you dropped, a tone you stopped using. Delete those first.
What happens to your ChatGPT chats?
Your chats stay in ChatGPT. There’s no button that turns ChatGPT conversations into Claude conversations.
What you can do is export them. ChatGPT’s data export sends you a file with every conversation, which you can search, archive or mine for the good parts. Export ChatGPT conversations covers the steps and what the file contains.
You won’t want all of it. Most chats were one-off questions. Keep the ones that hold something you’ll reuse: a voice you tuned, a positioning you agreed on, a content plan, a prompt that works.
What should you move, and where does it go?
| What you have in ChatGPT | Where it goes in Claude | Notes |
|---|---|---|
| Saved memories | Claude memory, through the import | Trim stale entries before importing |
| Custom instructions | Your Claude profile preferences or a project’s instructions | Copy and adjust; the two don’t sync |
| Projects and their files | Claude Projects | Recreate each project and upload the files again |
| Custom GPTs | A Claude project with the same instructions and files | There’s no direct import |
| Old chats | An exported file, plus notes for what you reuse | Don’t try to move everything |
Projects work a little differently in each app. Claude Projects vs ChatGPT Projects explains what carries over and what doesn’t, and Claude memory vs ChatGPT memory covers how each one saves things.
How long does a move from ChatGPT to Claude take?
For most solo creators, an afternoon. The memory import takes a few minutes. Rebuilding two or three projects takes longer, because you’ll re-upload files and rewrite instructions. Mining old chats is the open-ended part, so set a limit: pick your ten most useful chats and stop there.
Do you have to choose one?
You don’t. Plenty of people move their writing to Claude and keep ChatGPT for images or voice. Claude vs ChatGPT breaks down which one wins for which task.
If you keep both, the migration problem becomes a daily one. Every time you work something out in one assistant, the other doesn’t know. The fix is the same as for the migration itself: keep the things you reuse outside either app.
How do you avoid migrating again next time?
Put your working context in a place both assistants can read, and treat each app’s own memory as a convenience on top.
A practical setup:
- A voice note. How you write, words you avoid, examples. Brand voice guide for AI has a template.
- An offer note per product or client. Who it’s for, price, proof, what you never claim.
- A decisions note. What you decided and why, dated.
- An idea bank. Content idea bank shows how to keep one useful.
If those live in plain Markdown notes connected to both assistants through MCP, a new AI next year is a ten-minute setup instead of an afternoon. Share memory between Claude and ChatGPT walks through the connection.
FAQ
Can I import my ChatGPT chat history into Claude?
Not as conversations. Claude’s import brings over the memory ChatGPT keeps about you. For the chats themselves, export them from ChatGPT and keep what you reuse as notes or project files.
Will Claude know everything ChatGPT knew about me?
It will know what ChatGPT’s memory listed, after you import it. It won’t know what was only said inside old chats unless you bring that over yourself.
Can I move my custom GPTs to Claude?
There’s no direct import. Copy the GPT’s instructions and files into a Claude project, then test it with a few of your usual requests.
Is it worth keeping a ChatGPT subscription after switching?
If you use ChatGPT for images or voice, often yes. If you only wrote with it, the free plan may be enough for the occasional task.
Where Valta fits
Valta is a vault of Markdown notes with an MCP server, so Claude and ChatGPT read and write the same notes. Connect it to Claude (claude.ai, the desktop app or Claude Code) and to ChatGPT as a custom connector, and say “save this as a note” in either one. No AI runs on Valta’s side: your assistant does the writing, Valta keeps the notes and links them into a graph you can see on the web.
The Free plan gives you 1 vault and up to 100 notes, enough for your voice, offers and decisions. Pro is $9 a month or $90 a year for up to 5 vaults and version history. It starts with a 14-day free trial, then that price; cancel before the trial ends and you pay nothing. The price stays low because Valta runs no AI of its own, so a call costs milliseconds of server time, not model fees. You can export everything as Markdown on every plan, so your notes never get stuck in one app again. Plans are on the pricing section.
Start your free vault and connect it to Claude before your next chat.