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Cobalt

Autonomous AI Developer with Its Own Cloud Computer

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About Cobalt

Cobalt gives an AI developer its own cloud computer. Describe what you want in plain language, and it writes code in your GitHub repo, runs the tests, and shows you the app running live — even after you close the tab. Run multiple tasks in parallel; each gets its own environment. Best for indie developers and small teams who want to parallelize feature work.

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Comments (7)

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What kind of project would you trust Cobalt with first?Reply
Elena Oct 20, 2026

How does Cobalt compare to similar tools out there?

Axel V. Sep 20, 2026

Tested Cobalt against three alternatives. This one wins.

Vera J. Aug 26, 2026

The AI features in Cobalt are actually useful, not just gimmicky.

Troy G. Aug 26, 2026

Bookmarked Cobalt - going to try it this weekend.

Dex T. Aug 13, 2026

Cobalt does what it promises. Wish the docs were a bit more detailed.

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