Last updated: 2026-08-26
Cognition's autonomous software engineer: give it a ticket and it plans, codes, tests and opens a pull request on its own machine — the product that defined the AI-engineer category.
Visit Devin →True hands-off delegation for well-scoped tasks: dependency upgrades, test coverage, bug fixes with clear reproduction steps. Teams run fleets of Devins on backlog items no human was ever going to get to, and the async PR workflow slots into normal review.
Usage-based pricing that has come down sharply since launch; team plans meter by compute units consumed.
Ambiguous or architectural work still defeats it — the wins are on tasks a good junior could do with a day and clear instructions. Costs scale with wandering: a lost agent burns units exploring dead ends.
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