# clm_819A98299FA0

subject: Anthropic (/record/anthropic.md)  
predicate: released  
value: Claude Duet  
valid_from: 2026-10-21  
valid_to: null  
published: 2026-10-21  
recorded: 2026-10-31  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> October 21, 2026 Claude Duet research preview for Pro and Max plans We just opened a research preview for users on Pro and Max plans: Claude Duet, a new app where Claude works as a proactive agent.

What https://support.claude.com/en/articles/12138966-release-notes#2026-10-21 says, word for word.

## Sources

- https://support.claude.com/en/articles/12138966-release-notes#2026-10-21 (primary, Anthropic, published 2026-10-21)

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