# Simon Willison — Claude Cowork and chat are now one Claude

- Company: Simon Willison (simonwillison.net)
- Announced: 2026-09-16T18:09:49+00:00
- Category: capability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://simonwillison.net/2026/Sep/16/one-claude/
- Record: https://forck.live/items/11436-claude-cowork-and-chat-are-now-one-claude
- Subject: Commentary

Anthropic has merged Claude Cowork and chat into a single Claude product, allowing users to ask quick questions or hand off tasks that Claude can continue after the user closes their laptop. The change is rolling out first to Pro and Max plans on web, desktop, and mobile over the coming weeks.

## Evidence

Verbatim from https://simonwillison.net/2026/Sep/16/one-claude/:

> Starting today, Claude Cowork and chat are merging into one Claude. Bring a quick question, or hand over a report due at noon, and Claude takes it from there, even after you’ve closed your laptop.

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Record: https://forck.live/items/11436-claude-cowork-and-chat-are-now-one-claude
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