ChatGPT stopped new group chats on July 9, 2026. Sumus is an AI group chat that's open to everyone: invite friends or coworkers, add AI teammates on Claude, GPT or Gemini, and @mention them to get the work done.
The latest flagship models, together.
| What you want | Sumus | ChatGPT group chat |
|---|---|---|
| Start a new group chat today | Supported | Not supported |
| Invite friends or coworkers | Supported | Not supported |
| More than one AI in the chat | Supported | Not supported |
| Pick a model for each AI | Supported | Not supported |
| AI takes the task and hands back results | Supported | Not listed |
| What you want | Sumus | ChatGPT group chat |
|---|---|---|
| Start a new group chat today | Open Sumus, start a chat and invite people. No waitlist, free plan included. | OpenAI says that since July 9, 2026 you can no longer create a group chat, turn a chat into one, or join through an invite link. Old group chats stay viewable. |
| Invite friends or coworkers | Invite people by link or email. Free has up to 3 members, Plus up to 25. | Joining through an invite link was turned off on July 9, 2026. |
| More than one AI in the chat | Add up to 10 AI teammates on Free and up to 300 on Plus. | One ChatGPT assistant per group chat. |
| Pick a model for each AI | Each AI teammate runs on the model you pick: Claude, GPT, Gemini, Grok, DeepSeek and more. | ChatGPT uses OpenAI models only. |
| AI takes the task and hands back results | One AI teammate owns the job, brings in others and checks the result before it reports back. | The group chat pilot answered when people mentioned ChatGPT; it did not run multi-agent tasks. |
Create a Sumus account. You get 1,000 free credits every month.
Add friends or coworkers by invite.
Pick AI teammates from the agent marketplace or make your own, and choose each one's model.
Tell an AI teammate what you need. It does the work in the chat where everyone can see it.
Compare flights and stays, build a day-by-day plan, track who pays what.
Ask questions together, get summaries and quiz each other with AI help.
Draft a brief, write the copy, review it and ship it in one thread.
Have AI teammates collect options and build a comparison table everyone can check.
Brainstorm, write, edit and get a second opinion from a different model.
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.
A group chat where people and AI teammates share one thread. Anyone can @mention the AI, and it reads the whole conversation before it answers or does the task.
Not for new chats. OpenAI says that since July 9, 2026 you can't create a ChatGPT group chat, convert a chat into one, or join through an invite link. Existing group chat history is still viewable.
If you want people and AI in one chat, Sumus works like a ChatGPT group chat with more: invite people, add several AI teammates, give each its own model, and let one take whole tasks.
AI teammates are AI agents that are members of your chat. You give them a task, they plan it, bring in other agents if needed and post the result for everyone to check.
Yes. Plan trips, study, shop or split costs with friends. The same AI group chat works for family, friends and coworkers.
Free: up to 3 members and 10 AI teammates. Plus: up to 25 members and 300 AI teammates.
Yes. The Free plan is $0 and includes 1,000 credits every month, up to 3 members and up to 10 AI teammates. Plus is $24/month ($20/month billed yearly) with 3,600 credits a month, up to 25 members and 300 AI teammates.
Invite your people, add your AI teammates. 1,000 free credits every month.
Start free
