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ChatGPT's memory is good — inside ChatGPT. It remembers you as you chat, and that's worth having. The comparison that matters is what happens the moment you switch tools: your ChatGPT memory doesn't follow you into Codex, your IDE, or anything else. Atlaso is the memory that does.
Built-in memory is a real feature, and it works. We're not here to argue otherwise — an honest comparison starts by saying what a product does well before it says where that stops.
Automatic and explicit
It saves the details you ask it to remember and picks up useful context on its own, then carries both into future chats without you re-stating them.
Across your ChatGPT context
When enabled, it draws on your chats, uploaded files, and connected apps to personalize answers — so inside ChatGPT you repeat yourself less.
You can see and clear it
Saved memories live in Settings › Personalization › Memory, where you can review them and delete them one at a time or all at once.
These aren't criticisms so much as the shape of a built-in feature: it's designed to make one product better, and it does. Each point below is from OpenAI's own documentation.
“…will not include everything that ChatGPT remembers.”
A separate store per tool
OpenAI's own docs say ChatGPT web uses ChatGPT memory, while local Codex clients use a separate local memory store — kept on your machine, off by default. The Atlas browser keeps a third store that OpenAI says is separate and controlled independently.
No memory API
There's no memory API for developers. When users asked OpenAI to unify memory between ChatGPT and Codex, support logged it as feedback and the thread was closed without a native solution.
The summary is partial
In the new system you review memory through a summary page that, in OpenAI's own words, “will not include everything that ChatGPT remembers” — so what you can audit isn't the whole of what it holds.
Deletion is multi-step
“Don't mention this again” suppresses a detail but doesn't delete it; fully removing something means deleting every chat, file, and source it appears in. OpenAI may keep a log of deleted memories for up to 30 days.
On training: unless you turn off “Improve the model for everyone” in Data Controls, OpenAI says it may use your content — including past chats and saved memories — to train its models.
Five dimensions that decide what a memory feature is actually worth once you use more than one AI tool.
Atlaso doesn't ask you to turn ChatGPT's memory off. They do different jobs and run side by side: ChatGPT's memory keeps making your ChatGPT conversations better, and Atlaso gives Codex, Claude Code, Cursor and your other tools one shared memory that ChatGPT's memory was never meant to reach.
Competitor details as of July 2026, from official OpenAI documentation.
Atlaso captures and recalls automatically, scrubs secrets on your device, and shares one memory across the tools you already use. Free to start — no credit card required.