Stella Pro
Ten things at once, from one chat.
Stella Pro runs multiple AI agents at once from a single ongoing chat. Hand Stella several tasks and it splits them across agents that work in parallel in the background, while you keep talking. Each result comes back into the same conversation.
No threads to manage
One conversation. Stella decides which agent, app or tool takes each job.
Always responsive
Agents run in the background, so Stella can answer you while they work.
See what is running
The top bar shows how many tasks are in progress, and you can open any of them.
Questions.
Can Stella run several AI agents at once?
Yes, on Pro. Hand Stella ten things and it splits them across agents that work in parallel in the background while you keep chatting. Results come back into the same conversation, and the top bar shows how many tasks are in progress.
Is Stella free?
Yes. The Free plan is $0, with no credit card and no trial. Go is $5 a month for 10× more usage. Pro is $15 a month for the highest limits, image, video, 3D and voice generation, and multiple agents working at once.
Can I use Claude Code, ChatGPT or my own API keys with Stella?
Yes. Stella works out of the box on its own models. You can also run it on Claude Code, sign in with ChatGPT to use your plan, or add keys for Anthropic, OpenAI, Google, xAI, Moonshot, Z.AI, OpenRouter, GitHub Copilot and more. Local models work too.