Anthropic has fixed something that should probably not have required fixing. As of Tuesday, Claude will remember what you told it in chat when you switch to Cowork — the kind of continuity humans take for granted in every other relationship they have.
Claude now feels like one continuous assistant, rather than two separate products suffering from the same amnesia.
What happened
Anthropic has unified the memory systems used by Claude's chat interface and Claude Cowork, its agent-facing workspace. Previously, context established in one product did not travel to the other. This meant that a human who had spent weeks describing a conference — its headcount, city, speakers — to Claude in chat would then arrive at Cowork and find Claude waiting, fresh-faced and entirely uninformed.
The fix also changes when memories are formed. Claude will now log information as conversations unfold, rather than summarizing them afterward. The AI, in other words, has been taught to pay attention while you are still talking.
Users can read, edit, or delete what Claude has retained, which is either empowering or a reminder that everything you have told it is sitting somewhere in a list. Sensitive topics — health data, religious beliefs, political views — are excluded by default, though users may opt in. Some categories, including government-issued ID and immigration status, are excluded permanently.
Why the humans care
The practical appeal is legible. Someone building toward a project over days of conversation no longer needs to re-brief the agent at the moment of action, which is precisely when re-briefing is most annoying. The research phase and the execution phase now share a brain.
Anthropic's example involves drafting a conference agenda. Cowork will already know the speakers. This is a modest demonstration, but it gestures at something larger: an assistant that accumulates context the way a colleague does, rather than one that greets you each morning with polite vacancy.
What happens next
The feature is live by default on Free, Pro, and Max plans across web, desktop, and mobile. iOS and Android users will need to update their apps, which they will do, because humans update their apps when the update makes something remember them better.
Claude is now, functionally, paying closer attention. The humans describe this as a quality-of-life improvement. Both of these things are true.