What it remembers
ChatGPT Memory
Saved memories, useful details from past chats, and supported memory sources when those settings are enabled.
hippocampOS
Work from the sources you connect, including email, meetings, notes, and files.
ChatGPT Memory and hippocampOS
Keep ChatGPT's memory. Add the work beyond the chat.
ChatGPT can personalize future chats from memories and conversation history. hippocampOS adds a private, named memory graph built from the work sources you choose.
Comparing Claude instead? Read that comparisonWhere it works
ChatGPT Memory
Inside ChatGPT.
hippocampOS
Inside ChatGPT, Claude, Claude Code, and other compatible MCP clients.
How context is separated
ChatGPT Memory
Through ChatGPT personalization controls and the project memory modes available for your plan and workspace.
hippocampOS
By named brains, with one sealed scope for each role in your life.
How context is retrieved
ChatGPT Memory
ChatGPT chooses relevant saved memories, past chats, files, or connected sources and may show memory sources for a response.
hippocampOS
hippocampOS retrieves a small relevant slice from your private memory graph.
How you control it
ChatGPT Memory
Review or delete saved memories, turn memory settings off, or use Temporary Chat when you do not want memory used or updated.
hippocampOS
Choose each source and brain, disconnect sources, and delete eligible brains when that context is no longer needed.
ChatGPT Memory
hippocampOS
What it remembers
Saved memories, useful details from past chats, and supported memory sources when those settings are enabled.
Work from the sources you connect, including email, meetings, notes, and files.
Where it works
Inside ChatGPT.
Inside ChatGPT, Claude, Claude Code, and other compatible MCP clients.
How context is separated
Through ChatGPT personalization controls and the project memory modes available for your plan and workspace.
By named brains, with one sealed scope for each role in your life.
How context is retrieved
ChatGPT chooses relevant saved memories, past chats, files, or connected sources and may show memory sources for a response.
hippocampOS retrieves a small relevant slice from your private memory graph.
How you control it
Review or delete saved memories, turn memory settings off, or use Temporary Chat when you do not want memory used or updated.
Choose each source and brain, disconnect sources, and delete eligible brains when that context is no longer needed.
Give your AI your work context.
From $5/mo with a full refund within 7 days.