Special · Claude Duet

Claude Duet checks in every three hours. Is it actually useful? What early testers handed it, and where it got stuck

"The multi tasking is probably the best in the space." AI YouTuber Alex Finn posted that on X on Oct 21 (local time) after a few hours with Claude Duet, and it drew 630 likes. The same day, How I AI podcast host Claire Vo said the opposite: for a proactive agent, "it just wasn't that proactive." Early users are split on Duet, which Anthropic opened as a research preview on Oct 21. We went through the official help pages and early review videos and posts to see how you get started, what you can hand off, and what changes once you use it.

1. Anthropic · claude.com ↗

   What Duet is: a Claude that comes to you first

   Duet is a standalone assistant app, separate from the Claude app, on iPhone, Android and the web. On its product page Anthropic says the difference from regular Claude is that Duet reaches out to you instead of waiting for you to open a chat. It works in the cloud through your connected apps, so tasks keep running with your phone off. Anthropic is aiming it at professionals and small business owners.

2. Claude 도움말 · support.claude.com ↗

   Getting started: from waitlist to first sign-in

   1) On the Claude Duet product page, choose to join the waitlist. 2) Enter your name and email, using your Claude account email if you have one. 3) Pick your plan (Pro or Max) and phone type (iPhone or Android), and optionally describe your work and what you'd hand off. 4) When the invitation email arrives, open it on your phone, install the app as instructed and sign in with your Claude account. Invitations go out in waves, so there's no set date. If your waitlist email, Claude account and the Apple or Google account on your phone don't match, you may not get in even after being invited. Setup is light because Duet carries over your Claude memory, skills and connected apps, such as Gmail, Google Calendar, Google Drive, Slack, QuickBooks, HubSpot, DocuSign and Calendly. Assigned work lands in a Tasks tab. Duet may suggest a task is done, but only you can mark it complete.

3. Peter Yang · YouTube ↗

   How your day changes: a morning brief and a check-in every three hours

   In early-access tester Peter Yang's review video (35,000 views), Duet read his email, calendar and connected apps in the very first conversation to figure out how he works, then proposed tasks such as prepping a sponsor call and a podcast interview guide. A default scheduled check-in runs every three hours from 9 a.m. to 10 p.m. looking for things to do. Yang said five check-ins a day is a bit much and he'd prefer two, morning and afternoon; you can change the schedule by asking Duet. A "learn how I write" skill read 33 of his sent emails, 89 Slack messages, 47 DMs and 11 docs and produced a writing guide. In an email triage view he could then say "decline this one and reply," and Duet drafted replies in his style. A dashboard analyzing a year of public data on his YouTube channel came out of a one-line request.

4. Anthropic · claude.com ↗

   What you can and can't hand off

   Anthropic says you can assign anything from scheduling meetings to building dashboards, financial or sales forecasts, prototypes and web apps. Its examples include finding missed messages in Gmail and Slack and drafting replies, chasing unpaid invoices in QuickBooks and Stripe, preparing payroll in Gusto and managing a Shopify store. The announcement also carries user stories. Real estate broker Jess Provencher said Duet caught a property showing on her calendar for the wrong day. Brand strategist Mya Dalton said Duet noticed a client call right before her flight and offered to move it. The limits are real. Per the help center, it can't make calls or send texts, and there's no way yet to watch or take over its browser. It can't see your local files or all your Claude projects, and Microsoft 365 isn't supported yet. Because it checks accounts every few hours, urgent items that arrive in between may be delayed. Anthropic itself says personal errands like booking tickets are weaker than work tasks.

5. Anthropic · claude.com ↗

   Safeguards: it reads and drafts on its own, but asks before sending or spending

   Permissions come in three tiers. Reading, drafting and preparing work happen without asking. Sending messages, paying, signing documents and deleting anything require approval, and Duet shows you the exact action first. If you can't approve right away, it finishes other steps and asks again later. Trading securities and moving money between accounts are off-limits even with approval. Duet never directly sees passwords; when a site asks for one, you type it into a separate form on your phone. Purchases go through Link, Stripe's digital wallet: Duet finds the item, you approve a maximum amount in the Link app, and payment uses a one-time card that works only for that merchant and amount. Duet doesn't receive your full card number, and recurring payments aren't supported. A dedicated classifier rejects requests to share data such as credit card numbers and government IDs. Health and personal finance information is shared only when you explicitly say so.

6. Claude 도움말 · support.claude.com ↗

   Pricing and limits: no extra charge, but shared limits

   Duet is included in Pro and Max at no extra cost. It shares your five-hour and weekly limits with Claude. Background work such as the morning brief counts too, and bigger jobs like financial models or decks use more. Anthropic says Duet checks accounts only every few hours "because checking nonstop would use up your plan's limits much faster." Invited users get one full limit reset, usable until Nov 30.

7. Positive@AlexFinn · X ↗

   The praise: "best multitasking in the space" and "dethroned my OpenAI Dot"

   Alex Finn called Duet "EXCELLENT" on Oct 21 (local time) after a few hours. His top point: you brain-dump tasks into one thread and Duet spins up task threads and tracks them in a list, so you don't juggle side chats. It built several PRs quickly for him to review, and it came up with tasks on its own and asked for the go-ahead. Kieran Klaassen wrote that "Claude Duet dethroned my OpenAI Dot," calling it more thoughtful and better at proactive work, though Dot still wins at connecting many computers. Preston Kakuk, who had just gotten access, said he used to despise how Claude writes but here it is concise and straightforward, and that the best part is access to his Claude memory and chats.

8. NegativeClaire Vo · YouTube ↗

   The criticism: "proactive," yet it never pinged me again

   In her review video (16,000 views), Claire Vo called Duet the most polished personal-agent launch she'd seen but said she won't keep using it. After setup and a few tasks, it never nudged her again. Asked to go through her email and Slack, it got priorities wrong. When she fired off several tasks at once, including finding Golden State Warriors tickets, they took 10+ minutes and she forgot about them. She loves Opus 5.5 but said it is slow, which kills her desire to work with the agent in real time. She also missed a desktop app, and noted it can't pull in her local skills or be shared with teammates. Peter Yang hit a wall too: asked to book an Uber, Duet got stuck on Uber's human-verification check, and there was no way to open its browser and clear it. Still, Vo said Duet is roughly 100 times more polished than Dots was at launch.

9. @petergyang · X ↗

   How it differs from Dots, Grok Bot and Muse

   In under three months the field has grown to four. xAI's Grok Bot entered beta on Aug 11; you can run several bots and have them hand work to each other in a group chat. It's bundled into plans like SuperGrok and Cursor Pro, and xAI says work handed to a bot doesn't count against existing usage. Meta's Muse launched in the US on Sep 8 across app, web and WhatsApp, and Meta says it's free for most of what people need. OpenAI's dots arrived Sep 29, run on GPT-6 Astra inside ChatGPT, connect to more than 4,000 apps, and let you open the dot's cloud computer to watch it work. Duet pitches itself as a work assistant with 6,000+ connectors that reuses your Claude memory and skills, but its background work eats into your Claude limits. Peter Yang, who has tried all four, wrote in his Oct 21 comparison on X (190,000 views) that Duet is the most proactive out of the box, though Grok Bot remains his No. 1. He praised Muse for calling US businesses on your behalf and Dots for driving all your ChatGPT threads.

10. Claude 도움말 · support.claude.com ↗

    In Korea: not yet; Dots is the closest alternative

    The help center limits Duet to Pro and Max users with a US Claude account, and Link purchases need a US payment method. Anthropic says Team and Enterprise plans will come later but hasn't given a timeline or reason for other countries. Like the "why no Korea access?" reply we reported this morning, Peter Yang's video drew comments asking whether it works in Australia or Europe. The closest option available in Korea now is OpenAI's dots: per OpenAI's help center, they are rolling out to ChatGPT Pro users everywhere except the EEA, Switzerland and the UK. Muse launched only in the US, and xAI hasn't published a region list for Grok Bot.