The only app that reshapes itself around you.
Good afternoon
Yes. I found the form deadline, a dinner slot near the theater, and a grocery route that fits.
Drafted the message and made a checklist with tickets, the form, groceries, and the reservation.
Done. I added item totals and highlighted the cheaper store.
Make Stella yours.
One chat for everything.
No more juggling threads. Fire off a plan, a file, a message, and a background task at once — they all flow into the same conversation and come back together.
Stella can drive your computer.
Keep working in one window while Stella moves through another, clicking, typing, and finishing real tasks in your actual apps.
Text Stella.
Text Stella from iMessage, Telegram, Discord, or the mobile app. Every message reaches the same assistant on your computer.
Files are first-class work.
Ask once. Stella creates editable reports, spreadsheets, decks, and PDFs ready for the apps you already use.
Private and open source.
Stella runs locally, stays open source, and works with your agents, providers, keys, and models.
View Stella on GitHub- Claude Code
- Codex
- Cursor
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- OpenAI
- Anthropic
- xAI
- DeepSeek
- Moonshot AI