Devin
Cognition's software-engineering agent. Surfaces: Cloud sessions that plan/code/test and open PRs; Desktop (formerly Windsurf) for local repos; CLI for interactive terminal work; Review for PR diffs; DeepWiki for repo wikis. Best if you want an autonomous teammate on existing codebases. Not a prompt-to-app builder.
Devin
Cognition's software-engineering agent for existing codebases. One product across five surfaces — not five separate tools.
Surfaces
- Cloud — hosted sessions that plan, code, test, and open pull requests (app.devin.ai)
- Desktop — local IDE experience for repos on your machine (formerly Windsurf)
- CLI — interactive terminal workflows (cli.devin.ai)
- Review — AI review of pull request diffs (devinreview.com)
- DeepWiki — automatic wiki-style docs for repositories (deepwiki.com)
Best for
Teams that want an autonomous software-engineering teammate on real codebases: planning changes, implementing them, testing, and shipping via PRs. Strong fit when you already have a repo and need agent help across cloud and local workflows.
Not ideal if
You mainly want a prompt-to-app builder that scaffolds a new product from a blank idea with hosting baked in.
Links
- Product: devin.ai
- Cloud app: app.devin.ai
- CLI: cli.devin.ai
- Review: devinreview.com
- DeepWiki: deepwiki.com
- Company: cognition.com
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