Anthropic releases personal agent Claude Duet, built on the Opus 5.5 model
Anthropic has released a personal agent app called Claude Duet, positioned as a "proactive agent" that can run in the background and proactively push tasks to users; it is currently in research preview with a waitlist. The tool is built on the flagship Opus 5.5 model released at the end of September, and it pushes a daily morning briefing from connected apps, notifies users when something needs attention, and requires user approval for some tasks. Mike Krieger, co-lead of the Anthropic Labs team, says it can judge when to act proactively; Karan Ahuja, who leads Duet development, previously headed product management at Meta Superintelligence Labs.
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Anthropic enters the always-on personal agent space with Opus 5.5 as its foundation, and the article also compares its install base with Meta Muse.
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Anthropic is joining the personal AI agent craze.
The company announced the new app Claude Duet on Wednesday, billed as a "proactive agent" that can run in the background, surface tasks to a user, and handle a variety of work. The tool is in research preview for now with a waitlist, meaning it won't immediately compete for the larger market with other new agents like Meta's Muse and OpenAI's Dots.
Still, the announcement ramps up the pressure on those companies — Anthropic says it built Duet around its flagship Opus 5.5 model, which was released in late September and has already become one of the industry's most popular. Recent model breakthroughs have made AI better at handling work on its own, spurring a rush to build these "always-on" personal agents.
"It can have the discernment and judgment around when to be proactive, when to act on your behalf," said Mike Krieger, a co-lead of Anthropic's Labs team, said in a Duet launch video.
The tool, Anthropic says, will send users a brief each morning about what's happening on their connected apps, and message them when something needs attention. Like other companies' offerings, it runs outside a user's computer, sends notifications, and asks for approval on certain tasks.
Anthropic announced Duet on the day of Meta's earnings report and used the opportunity to mention a new poach from Mark Zuckerberg's company. Karan Ahuja led product management for Meta Superintelligence Labs until July, according to his LinkedIn, before starting at Anthropic in August and leading Duet's development.
He wrote on X that he's been using Duet to build Duet, and said the team "built it for professionals and small business owners juggling a lot at work and at home."
Ahuja also wrote that Anthropic is letting people into Duet from the waitlist "as quickly as possible."
The news didn't go unnoticed at Meta. Alexandr Wang, who heads Meta Superintelligence Labs, posted a meme about Duet's similarity to Muse.
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Anthropic is fast approaching a giant initial public offering, which could value the company at as much as $2 trillion. Like other AI players, the company navigates a high-wire competition to win over users, secure computing power, build state-of-the-art models, and deliver AI-native products.
The data firm Apptopia estimates that Muse had more than 14 million installations as of Wednesday. It found that Claude users who installed the Muse app were using Claude more than before, though still for fewer minutes per day than they spent on the Meta product.
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