Anthropic announced Claude Duet. It is a proactive agent that starts tasks, checks before acting, and works when the user is away. It targets professionals and integrates with 6,000 connectors. It uses the Opus 5.5 model. It is in Research Preview. It is limited to US subscribers on Pro and Max plans. Cursor’s Grok Bot has 800,000 paid weekly users. Cursor was acquired by SpaceX for $60 billion. Duet was announced on 21 October 2026.
What changed
Claude worked only when directly prompted and did not act autonomously.
What it unlocks
Claude can now proactively start tasks, check before acting, and keep working when the user steps away.
- 800,000 paid weekly users
- $60 billion acquisition price
- 6,000 connectors
What you need to act on it
- US subscriber
- Pro or Max plan
- Research Preview access
Sources