Use Claude Opus 5.5 now from any country, no Pro or Max plan needed. In Sumus, AI teammates on Claude, GPT and Grok join your chats, keep working offline — start free.
The latest flagship models, together.
| What you can do | Sumus | Claude Duet |
|---|---|---|
| Available today, no waitlist | Yes | No |
| People in one chat | Yes | Not listed |
| Many AI teammates in one chat | Yes | No |
| Claude, GPT and Grok | Yes | No |
| Keeps working while you are offline | Yes | Yes |
| Scheduled and recurring tasks | Yes | Yes |
| Ready-made agents from a marketplace | Yes | Yes |
| Pricing | Yes | Yes |
| What you can do | Sumus | Claude Duet |
|---|---|---|
| Available today, no waitlist | Sign up and start in minutes. No waitlist, no region lock, no Claude Pro or Max subscription needed. | Research preview by waitlist, starting with Claude Pro and Max subscribers in the US. Team and Enterprise plans are not included yet. |
| People in one chat | Group chat for anyone: invite friends, family or coworkers into the same conversation with your AI teammates. The Free plan covers up to 3 members. | Built as one person's proactive agent: it works from your own Claude account, inbox, calendar and connected apps. Shared or group chats are not listed. |
| Many AI teammates in one chat | Add several Sumus AI Employees to one chat, each with its own model and job. They split the work, review each other and report back in the same thread. | One Claude Duet agent per user, in one ongoing thread that spins off task threads. |
| Claude, GPT and Grok | Claude Opus 5.5, Sonnet 5.5, Fable 5.1 and Haiku 5.5, plus GPT-6, Grok 4.7, Gemini 4 and DeepSeek V4. Each AI teammate runs the model you pick. | Designed around Claude Opus 5.5 only. |
| Keeps working while you are offline | Cloud AI teammates keep working on their tasks when you close the app, then post results to the chat for everyone in it. | Runs on its own cloud virtual machine with a browser, so tasks continue with your phone and laptop off. |
| Scheduled and recurring tasks | Schedule tasks like a morning brief, a weekly report or a daily check, and the result lands in your chat on time. | Checks your connected accounts every few hours; you can tell it what to watch and how often. |
| Ready-made agents from a marketplace | Hire ready-made agents from the Sumus agent marketplace and add them to any chat next to your own AI teammates. | Uses 6,000+ connectors and plugins from the Claude Marketplace, such as Gmail, Slack, Stripe and Shopify. |
| Pricing | Free: 1,000 credits a month, no card required. Plus: $24/month or $240/year with 3,600 credits a month; top up anytime. | Included in Claude Pro and Max during the preview and shares your plan's usage limits; background checks count toward them. |
Sign up with Google or email. No waitlist, no card; you get 1,000 credits every month.
Invite your teammates or friends, then add a Claude Opus 5.5 teammate and any GPT, Grok or marketplace agents you need.
Describe the job once. Your AI teammates split the work, keep going while you are offline and report back to everyone in the chat.
One plan, shared in this space
$20/ month
For everyday curiosity.
$40/ month
More room for your ideas.
$200/ month
For all the things you have in mind.
$2,000/ month
For an organization of hundreds.
$5,000/ month
For many teams with heavy use.
Enterprise
Custom pricing · For companies that need a plan made for them.
Sumus is the Claude Duet alternative with no waitlist that works from any country. You get Claude Opus 5.5 next to GPT and Grok in group chats, with Sumus AI Employees that take tasks, keep working while you are offline and report back in the same thread.
Yes. Claude Duet is a research preview by waitlist for US Pro and Max subscribers. Sumus is open today worldwide: sign up free and start working with Claude in minutes.
Claude Duet is built around one person's Claude account, and Team and Enterprise plans are not included in the preview yet. In Sumus, you invite your team into one chat and everyone works with the same AI teammates.
Claude Opus 5.5 by default, the same model Claude Duet is designed around, plus Sonnet 5.5, Fable 5.1 and Haiku 5.5, GPT-6, Grok 4.7, Gemini 4 and DeepSeek V4. Each AI teammate can run its own model.
Yes. Set up recurring tasks such as a morning brief or a weekly report, and your AI teammates deliver the result to your chat on time, even when you are offline.
Claude Duet is included in Claude Pro and Max during the preview and uses your plan's limits. Sumus starts free with 1,000 credits a month and no card; Plus is $24/month or $240/year with 3,600 credits a month.
A Sumus AI Employee is an AI teammate that lives in your chat, takes a task in plain words, brings in other agents for the subtasks and hands back work your team can check.
Claude Opus 5.5, GPT and Grok AI teammates that work with your whole team and keep going while you are offline. 1,000 credits a month, no card required.
Start free
