Comparison · October 2026

Claude Duet vs Muse: Which Personal Agent Fits You?

Claude’s existing context or Meta’s approachable starting point? Compare Duet and Muse by access, daily routine, cost and review controls.

The Practical Verdict

Choose by Your Routine

Shortlist Duet if you already work in Claude, have US Pro/Max access and want help with briefs and connected business work. Shortlist Meta Muse if a free entry point and WhatsApp interaction are central to your routine. These are recommendations from documented product fit, not measured performance.

Research snapshot: October 22, 2026. Official product documentation + editorial analysis. No cross-product performance test.

At a Glance

What MattersClaude DuetMeta Muse
ProviderAnthropicMeta
AccessResearch preview; invited US Pro/Max usersUS launch rollout; check current account access
Entry cost$20/month Pro on monthly billing; no extra Duet fee during previewLimited free tier; paid subscriptions exist, exact paid prices unverified
Where it worksStandalone iOS/Android app and webiOS, Android, muse.ai and WhatsApp interaction
ExecutionOwn cloud computer and browserDedicated persistent cloud VM and browser
Existing contextClaude memory, skills and connected appsConnected services and persistent agent context
Consequential actionsDesigned to ask before messages, purchases, signatures or deletionsMeta describes approval before sensitive actions, such as email or purchases
Key uncertaintyEarly preview; urgency judgment and connector limitsRollout and changing features; exact paid plan value not established

Table evidence: Claude Duet: Getting Started ↗ · Claude Duet Product Overview ↗ · Introducing Muse, Meta’s Personal AI Agent ↗ · Security and Safety for Agents: Muse ↗. Exact price and control details are linked in the sources below.

What Changes in Everyday Use

Duet’s starting advantage for a Claude user is continuity: the guide does not ask you to treat your existing memory and connected work as a blank slate. Muse’s attraction for an ordinary user is the ability to explore a limited free tier and contact it through WhatsApp. Neither fact establishes which agent will handle your particular documents more accurately.

Price and the Cost of Access

The Price of Getting Started

USD / month · Personal-plan entry points · Oct 22, 2026

Meta Muse
$0*
Claude Duet
$20
Grok Bot
$30
OpenAI Dot
$100
*Muse has a limited free tier; paid prices unverified. Duet: Pro billed monthly, US waitlist. Grok: X Premium, shared usage. Dot: eligible Pro tier; rollout restrictions. OpenClaw: free software, variable model/hosting costs; excluded from these bars. These are subscription entry points, not equal task allowances or a separate agent fee.

Sources: Claude ↗ · xAI ↗ · OpenAI ↗ · Meta ↗

Meta’s launch article described confidential VMs with a user-held key, glasses, Shop Pay and 1Password as forthcoming. We do not count those roadmap items as available features from that evidence.

Approvals, Access and Responsibility

Meta describes an isolated runtime and a separate Sentinel layer for outside-world interactions. Anthropic describes approval and data-handling safeguards. Both are vendor architecture descriptions; neither should be interpreted as a promise of error-free execution. Check the actual recipient, action and attached information whenever you approve a message.

Read the official control details ↗

Which One Should You Choose?

Shortlist Claude Duet If…

You already pay for Claude and can obtain a preview invitation. Your useful first tasks are preparing work from email, calendar or business documents. You value an existing Claude context more than a new free entry point.

Read the Duet setup guide

Shortlist Meta Muse If…

You want to try a free allowance before committing to another subscription. WhatsApp is a natural place for your requests. You are prepared to check the current US rollout and connect only the services you need.

Explore the official documentation ↗

A Fair Task to Try

Simulated evaluation design

Use a fictional weekend plan with three venues, a budget and two accessibility needs. Ask each agent to produce a cited shortlist and draft booking questions. First judge whether it preserves your constraints. Sending a booking request is a separate action to review.

Record the plan, region, connected apps, corrections and approval requests. Keep preparation quality separate from whether an action was actually authorized. The scenario lab includes fictional inputs and a repeatable evaluation checklist.

Common Questions

Does Muse mean Meta Muse here?

Yes. This comparison refers to Meta’s personal AI agent at ai.meta.com/muse, not another product with the same name.

Which one has a free tier?

Meta’s launch announcement describes a limited free Muse tier. Claude Duet’s research preview requires eligible Pro or Max access. Meta announcement ↗

Can they work while my phone is off?

Both vendors describe cloud execution. That is different from unrestricted access to your phone or local files. Duet ↗ · Muse ↗

Is the cheapest plan automatically best?

No. Our recommendation is to test one real preparation task with your required apps before paying for a larger allowance. A price comparison does not measure accuracy or time saved.

Has OpenDuet tested them head to head?

No controlled cross-product test has been run. The factual table uses official documentation; the sample task is an illustrative evaluation design.

Sources and Editorial Notes

Researched by OpenDuet Editorial. Product facts are drawn from the official pages below; recommendations are editorial inferences. We have not run a controlled cross-product benchmark.

  1. Claude Duet: Getting Started ↗Anthropic help · Access, setup, limits and controls. Checked October 22, 2026.
  2. Claude Duet Product Overview ↗Anthropic · Research-preview scope and waitlist. Checked October 22, 2026.
  3. Introducing Muse, Meta’s Personal AI Agent ↗Meta · September 8, 2026; updated September 30 · Launch, access and features. Checked October 22, 2026.
  4. Security and Safety for Agents: Muse ↗Meta · September 8, 2026 · Runtime and Sentinel architecture. Checked October 22, 2026.
  5. Claude Plans and Pricing ↗Anthropic · Monthly and annual billing; tax excluded. Checked October 22, 2026.