Quick answer: what is Claude Duet?
Claude Duet is Anthropic’s proactive AI agent, launched as a research preview on October 21, 2026. Instead of waiting for your questions like a regular chatbot, Duet checks your connected apps, sends you a morning briefing, keeps working on delegated tasks in the background on its own cloud computer, and messages you only when something needs your decision.
Access is currently waitlist-only for U.S. subscribers on Claude Pro and Max plans, running on the new Claude Opus 5.5 model. It is included in those subscriptions at no extra cost, though it shares your plan’s usage limits. If you are not on a paid Claude plan in the United States, you cannot get in yet, and Anthropic has not said when that changes.
How Claude Duet works
The core idea behind Duet is simple: instead of you starting every conversation, the AI starts them. Anthropic built it as a standalone app for iOS and Android, also reachable through claude.ai, kept separate from the main Claude app.
Here is the routine Anthropic describes. Each morning, Duet looks across the apps you have connected, picks out what most needs your attention, and sends a short summary with draft replies ready for review. Through the day, it monitors those same apps and messages you when something needs a decision. You can also hand it jobs in a single running thread by text or voice, from booking meetings to building dashboards, sales forecasts and small web apps.
Setup is light because Duet inherits the memory, skills and connected apps already attached to your Claude account. And because it runs on its own virtual machine in Anthropic’s cloud, with its own browser, it keeps working while your phone or laptop is off. When a task finishes, it notifies you.
One detail worth knowing: Duet does not watch your apps constantly. Anthropic says it performs background checks every few hours, a deliberate choice to conserve your plan’s usage limits. You can customize what it monitors and how often it alerts you, and every check draws on the same usage allowance as your regular Claude conversations.
What Claude Duet can actually do
Anthropic is pitching Duet squarely at professionals and small business owners. The app draws on more than 6,000 connectors and plugins through the Claude Marketplace, including Gmail, Slack, Google Calendar and Drive, Microsoft 365, Notion, QuickBooks, Stripe, Gusto, HubSpot, DocuSign, Canva, Shopify and 1Password. That integration list is what turns Duet from a chatbot into something closer to a junior operations hire.
Anthropic’s launch material names several concrete business chores:
- Finding unpaid invoices and drafting payment reminders
- Preparing payroll runs for review
- Building briefs, pitch decks, financial models and dashboards
- Flagging inbox and calendar items that need attention
- Drafting email replies for approval and setting up meetings
It can also search your past conversations and use your existing Claude memories and skills, so the work carries context instead of starting from zero every time.
Claude Duet price and who can get in
The pricing is straightforward, at least for now. Duet is included in Claude Pro and Max subscriptions at no extra charge during the research preview. It shares the usage limits of your plan, and complex tasks consume more of that allowance, so heavy background use will burn through your quota faster.
The access rules, in full:
- Who: U.S. subscribers on Claude Pro or Max plans, admitted by waitlist. Team and Enterprise plans are not included in the preview; Anthropic says those come later.
- Where: United States only for now. No timeline given for other countries.
- How much: No separate fee; uses your existing plan limits. Background checks count toward those limits, and larger jobs consume more.
- Tester terms: Admitted testers received one full usage-limit reset, valid through November 30, 2026.
This is a research preview, not a general launch. Expect rough edges, changing behavior and quota mechanics that Anthropic will tune as it learns how people actually use an always-on agent.
What Duet will not do: the guardrails
Handing an AI the power to act on your behalf raises an obvious question: what stops it from doing something you did not want? Anthropic’s answer has two layers.
First, Duet must ask for your approval before it sends a message, makes a payment, signs a document or deletes anything. It drafts and prepares; you authorize. Second, and more interestingly, some actions are blocked outright: trading securities and moving money between accounts are off-limits even with your approval.
That second rule is arguably the most informative detail of the whole launch. It signals that Anthropic has decided certain categories of action are too risky for an autonomous agent to touch, full stop, regardless of consent. Expect this boundary to become a talking point as every other AI company draws its own lines in the same territory.
Claude Duet vs OpenAI Dots vs Meta Muse
Duet arrives into an agent race that is suddenly crowded. OpenAI launched Dots, its always-on personal AI agents, at DevDay in late September 2026, and Meta rolled out Muse, its assistant for small businesses, around the same time.
The three share the same basic shape: an AI that works in the background, connects to your tools and acts on your behalf. The differences are in strategy. OpenAI’s Dots is built around its own cloud computer and a plugin ecosystem of 4,000+ apps. Meta’s Muse leans on the company’s social and messaging reach for business users. Anthropic’s Duet bets on a tighter audience, professionals and small businesses, with proactive briefings and deep integrations into tools like QuickBooks, Gusto and Stripe that handle the money side of a small operation.
It is also worth noting that Duet confirms the existence of Claude Opus 5.5, a model Anthropic had not previously announced publicly. The agent and the model are debuting together, which suggests Opus 5.5 is tuned specifically for agentic, multi-step work.
If you are choosing between Claude and ChatGPT as your paid AI subscription, the agent layer is becoming a real factor in that decision.
Should you join the Claude Duet waitlist?
If you are a U.S.-based professional or small business owner already paying for Claude Pro or Max, and you spend your mornings triaging email, invoices and calendars, Duet is designed for exactly you. Joining costs nothing beyond what you already pay, and the one-time usage reset through November 30 gives you room to experiment.
Three things to watch before you trust it with real work:
- Usage math. Background checks every few hours plus complex tasks can consume your Pro or Max allowance faster than you expect. Monitor it for a week before routing anything critical through Duet.
- The approval habit. Duet asks before sensitive actions, but you will be tempted to approve quickly. Build the habit of actually reading the draft before you say yes, especially for payments and signed documents.
- Geography and plan locks. If you are outside the U.S., or on a Team plan, you are out of luck for now. Anthropic has not committed to a timeline.
The bigger picture is that the chatbot era is giving way to the agent era, and Claude Duet is Anthropic’s clearest statement of that shift yet. Whether proactive AI actually saves professionals time or just creates a new inbox of AI-generated decisions to review is the question the preview will answer.
FAQ
When did Claude Duet launch?
Anthropic opened the research preview on October 21, 2026, with a waitlist for U.S. Claude Pro and Max subscribers. The waitlist announcement went out the same day as reports of the launch.
How much does Claude Duet cost?
There is no separate fee. Duet is included in Claude Pro and Max subscriptions during the research preview, but it shares your plan’s usage limits. Background checks and complex tasks consume that allowance.
What AI model does Claude Duet run on?
Claude Duet runs on Claude Opus 5.5, a model Anthropic revealed alongside the Duet launch. It is designed for agentic, multi-step work on Duet’s cloud computer.
Is Claude Duet available outside the United States?
Not yet. The research preview is limited to U.S. Pro and Max subscribers admitted by waitlist, and Anthropic has not announced a timeline for other countries or for Team and Enterprise plans.
Does Claude Duet replace the regular Claude app?
No. Duet is a separate standalone app for iOS, Android and claude.ai, kept apart from the main Claude app. The main Claude app works as it always has; Duet adds the proactive agent layer.
How is Claude Duet different from OpenAI’s Dots?
Both are always-on AI agents that work in the background, but they differ in strategy. OpenAI’s Dots debuted with a 4,000+ app plugin ecosystem at DevDay 2026, while Anthropic’s Duet targets professionals and small businesses with proactive briefings, 6,000+ connectors and hard guardrails like blocking securities trading entirely.
Can Claude Duet send emails or make payments by itself?
No. It must ask for your approval before sending messages, making payments, signing documents or deleting anything. Trading securities and moving money between accounts are blocked entirely, even with your approval.