- You already pay for Claude Pro or Max in the US and want a proactive agent that tells you what needs attention across email, calendar and business apps.
- Your work runs through tools such as Gmail, Slack, HubSpot, QuickBooks, Stripe, Shopify or Docusign, and you want drafts of replies, invoice reminders and sales follow-ups to approve.
- You want one agent for the whole business, including scheduling, finance and hiring tasks, from your phone or claude.ai.
ComparisonsEnglish
Claude Duet alternative
Claude Duet watches your inbox and runs your errands. Soloop runs one project's go-to-market tasks.
Claude Duet is Anthropic's proactive agent, released as a research preview on October 21, 2026. It checks your connected apps every few hours, sends a morning brief and works on tasks in its own cloud computer, asking before it sends, pays, signs or deletes. Soloop is a hosted workspace that runs research, X, Gmail, Reddit, Google Ads and code tasks around one project. Choose by whether you need a chief of staff for the whole business or a workspace built around getting one product in front of customers.
Decision shortcut
Which operating model fits?
- You have an idea, URL, repo or deck and want research, posting, outreach, ads or code changes for that one project.
- Your channels are X, Gmail, Reddit and Google Search ads, and you want tasks to publish and send through those accounts.
- You are outside the US, not on a Claude plan, or still waiting for a Duet invitation.
Evidence ledger
Soloop vs Claude Duet, dimension by dimension.
Read each row as an operating choice, not a feature score.
What it is
Claude Duet
A proactive agent app built on Claude Opus 5.5. It runs on its own cloud computer with a browser, so it keeps working after you close the app.
Soloop
An AI cofounder workspace that plans, researches, builds and markets around one project.
Access
Claude Duet
Research preview by waitlist for Claude Pro and Max subscribers in the US; invitations go out in waves. Not yet on Team or Enterprise plans.
Soloop
Sign in, describe the project and connect the accounts a task needs.
Cost
Claude Duet
Included in Pro ($20 a month) and Max (from $100 a month) during the preview. It uses the same usage limits as chat, and background checks count toward them.
Soloop
1 credit = 1 task, per the manual. Campaign budgets and third-party charges are billed separately.
Channels
Claude Duet
Connected apps such as Gmail, Google Calendar, Slack, HubSpot, QuickBooks, Stripe, Shopify, Canva and LinkedIn, from a marketplace of more than 6,000 connectors and plugins; its own browser for sites without one. It cannot call or text.
Soloop
Publishes X posts and replies, sends Gmail outreach, prepares Reddit posts and launches Google Ads after setup and payment.
Approvals
Claude Duet
Shows the action, recipients and content and waits before sending a message, paying, signing or deleting. A separate check outside the model compares each action with your intent. Trading securities and moving money between accounts are refused even with approval.
Soloop
Tasks run when you request them, through the accounts and permissions you connect.
Proactivity
Claude Duet
A morning brief, checks of connected apps every few hours and follow-ups on stalled threads. You choose what to hear about and how often.
Soloop
Works on the tasks you start; results return to the project's Tasks list.
Outputs
Claude Duet
Drafted replies and follow-ups, invoice reminders, scheduled meetings, and editable research briefs, financial models, slide decks and dashboards.
Soloop
Research with sources, published posts, sent emails, ad campaigns and code changes, recorded in Tasks.
Best for
Claude Duet
A small business owner who wants a chief of staff watching the whole operation.
Soloop
Getting one product in front of customers.
Operating loop
The interface determines where judgment sits.
Claude Duet
- 1Join the waitlist
- 2Connect your apps
- 3Read the morning brief
- 4Approve what it sends or pays
- 5Review results in Tasks and Make
Soloop
- 1Bring existing work
- 2Describe the outcome
- 3Run the task
- 4Review output in Tasks
- 5Use the result next
Evidence boundary
What the sources establish—and what they do not.
- Anthropic introduced Claude Duet on October 21, 2026 as a research preview: a separate app where Claude works as a proactive agent for professionals and small business owners. It runs on Claude Opus 5.5 and works in its own cloud computer with a browser, so your laptop or phone does not need to stay on.
- Duet sends a short morning brief on the most important items across connected apps, checks them every few hours and messages you only when something needs attention. Anthropic says checking constantly would use up plan limits too quickly.
- It connects through more than 6,000 connectors and plugins in the Claude Marketplace. Anthropic's examples include turning a product launch into a Canva social campaign, drafting LinkedIn job posts for approval, drafting sales follow-ups from HubSpot deal history, chasing unpaid Stripe invoices and setting up a Shopify store.
- Before sending a message, making a payment, signing a document or deleting anything, Duet shows what it plans to do and waits for approval. Purchases use a one-time card through Link or Shop Pay. Trading securities, moving money between accounts and accessing someone else's account are off-limits even with approval.
- The Help Center says Duet is available by waitlist to Pro and Max users in the US, is not yet available on Team or Enterprise plans, is included at no extra cost during the preview and uses the same five-hour and weekly limits as chat. Claude's pricing page lists Pro at $20 a month and Max from $100 a month.
- Anthropic's named connectors do not include X, Reddit or Google Ads. With more than 6,000 marketplace connectors and a general browser, whether Duet can post or run ads on those channels, and how reliably, was not established; some large websites block its browser.
- How much of a Pro or Max allowance a typical week of Duet background checks and tasks uses was not published. Invitation timing and features can change during the preview.
- This review did not run Claude Duet or Soloop or compare output quality; it relies on Anthropic's announcement, Help Center, safety article and pricing page and the Soloop manual, accessed October 25, 2026. Both products change often.
Source ledger
Check the primary material.
Links open the official source used for the statement. Product details can change after the evidence date.
01
Soloop product manual
02Starting points, research, build, channel and credit claims for Soloop
Introducing Claude Duet
03October 21, 2026 research preview, audience, morning brief, check frequency, connectors, examples and approvals
Get started with Claude Duet
04Waitlist, plans, US availability, usage limits and limitations
Claude Duet safety, privacy and security
05Approval checks, refused actions, browser isolation and sensitive-data handling
Claude pricing
Pro and Max monthly prices
FAQ
Questions founders ask before switching.
How much does Claude Duet cost?
During the research preview Duet is included in Claude Pro ($20 a month) and Max (from $100 a month) at no extra cost, but it draws on the same usage limits as chat, and its background checks count toward them. Access is by waitlist in the US.
Can Claude Duet do marketing for a startup?
Partly. Anthropic's examples include turning a launch into a Canva social campaign, drafting LinkedIn posts and HubSpot sales follow-ups for approval. X, Reddit and Google Ads are not among its named connectors, so posting or running ads there was not established.
Is Soloop a Claude Duet alternative?
For one product's go-to-market work on X, Gmail, Reddit and Google Ads, yes, with each task recorded against the project and no waitlist or Claude plan required. For a proactive agent across your inbox, calendar, finance and sales tools, Duet covers ground Soloop does not.
Make the next move reviewable
Bring the product you already have.
Soloop reads the current state, proposes one move, waits for approval, and returns the result.
Start with a projectThis is an independent comparison based on public information checked October 25, 2026. Claude Duet and related marks belong to their respective owners. Soloop is not affiliated with or endorsed by them.