Build and fix software
Read repositories, edit code, run commands, debug failures, and hand independent work to background agents.
Personal assistant · Knowledge work · Coding agent
One agent for more than code.
Stella works across codebases, research, documents, your browser, files, and desktop apps—so the same assistant can finish the rest of the job too.
Free comes with a one-time $0.50 of usage. Managed AI is $5/month.
Code
Browser
Files
Stellaone assistant
Coding is only the start
Keep one assistant for the whole job.
Keep one conversation for the whole job. Stella can take action in the tools already on your computer while background agents keep independent work moving.
Create real deliverables
Research a topic, then turn the result into editable documents, spreadsheets, presentations, and PDFs.
Work across your computer
Use your browser, files, and desktop apps to finish tasks instead of stopping at an answer in a chat box.
Your models, or ours
Use Stella without another required subscription.
Bring supported provider keys and use the open-source app for free, or choose Stella's managed models when you want one account and no provider setup.
Ready when you are
Give Stella the task. Keep moving.
Download the open-source desktop app and start free.