MemoryRouter vs ChatGPT memory
ChatGPT memory is the most widely experienced AI memory in the world, and it is designed for chat: details you ask it to remember, plus whatever past conversations it decides are relevant.
Competitor details and pricing checked 2026-09-25. Sources at the bottom of this page.
What ChatGPT memory is
OpenAI documents two mechanisms. Saved memories are details you explicitly ask ChatGPT to remember, managed under Settings, Personalization, Manage memories, and they persist until you delete them. Reference chat history draws on earlier conversations, and that content can change as the model decides what matters.
ChatGPT also supports custom connectors in Developer mode on paid plans, which is how a third-party memory service becomes reachable inside a conversation.
What MemoryRouter is
MemoryRouter is memory for your work rather than for a chat. Claude Code and Codex capture completed turns automatically, editors connect over MCP, and ChatGPT can reach the same vault through a connector.
14-day free trial, then $20 per month with 200M memory tokens included.
Side by side
| MemoryRouter | ChatGPT memory | |
|---|---|---|
| Scope | Inside ChatGPT, per account | Across coding tools, editors, and chat, per vault |
| What it stores | Saved facts plus referenced chat history | Decisions and completed turns with dates and context |
| Coding sessions | Not covered; Codex has its own context handling | Captured by hooks in Claude Code and Codex |
| Cross-vendor | No | Yes: Claude, Claude Code, Codex, Cursor, and more |
| Price | Included with eligible plans | 14-day trial, then $20 per month |
| Control | Manage memories in settings | Dashboard and API per vault, with deletion |
Where ChatGPT memory is the better choice
- Your memory needs are personal and conversational, inside ChatGPT.
- You want no setup and no extra subscription.
- You do not use coding agents or other vendors.
Where MemoryRouter fits better
- You want the decisions from your coding sessions to be remembered at all.
- You want one memory across ChatGPT, Claude, and your editors.
- You want structured, searchable memory with time windows rather than a list of saved facts.
Which one should you use?
Keep ChatGPT memory for what it does well. Add a vault when the context that matters is produced in tools ChatGPT cannot see, which for a developer is most of it.
Connect ChatGPT and your coding tools to one vault. 14 days free, then $20 per month.
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FAQ
Sources
Sources checked 2026-09-25. Tool behavior changes; check the vendor docs before relying on a detail.