Developed by Cognition, an AI lab founded by Scott Wu and Steven Hao.

Devin is an autonomous AI software engineer that proposes an editable plan, then writes code, runs tests, fixes bugs, and can deploy applications inside its own cloud workspace with shell, editor, and browser.

Accessed as a hosted cloud service via cognition.ai, connected to a user's repositories.

Unveiled by Cognition in March 2024 as the world's first AI software engineer, with continued updates through 2026.

It exists to handle entire development tasks end-to-end, not just single suggestions, from planning through to a deployed result.

Requires a Cognition/Devin account and repository access credentials; runs against Cognition's own hosted models and cloud sandbox.

Closed-source commercial hosted service, repository code and task context are processed inside Cognition's cloud workspace.