โ€” Coding Tool

Devin AI

Last updated 2026-07-10 ยท Reviewed by ToolForge Editorial

Cognition's autonomous software engineer โ€” plans, codes, debugs, and ships entire features from a ticket.

โ˜… 4.5/5 ยท 5K+ engineering teams ยท Since 2024 ยท Limited preview

The first fully autonomous engineer

Devin, from Cognition, was the first AI agent pitched as a real software engineer โ€” not a copilot but a teammate that takes a ticket, writes the code, runs the tests, fixes failures, and opens a PR. By 2026 it handles end-to-end feature work and long-running refactors inside a sandboxed environment.

Who it's for: Engineering leaders and teams who want to parallelize feature delivery and offload well-specified implementation work.

Key features

๐Ÿค– End-to-end PRs

From ticket to pull request, unassisted.

๐Ÿงช Runs the suite

Iterates against your own tests until green.

๐Ÿช„ Long tasks

Handles multi-hour refactors and migrations.

๐Ÿ” Self-debugs

Reads stack traces and fixes its own mistakes.

The honest take

โœ“ What works

  • Genuinely autonomous implementation
  • Frees senior devs for design
  • Strong test-driven loop
  • Scales team throughput

โœ— What doesn't

  • Expensive at $500/mo
  • Needs clear specs to shine
  • Occasional off-target edits
  • Human review still required

Verdict

Devin is the closest thing to 'hire another engineer' on a subscription. For teams with good specs and tests, it's a force multiplier โ€” just keep a reviewer in the loop.

๐Ÿ’ก Transparency: This review contains affiliate links. If you sign up through our link, we may earn a commission at no cost to you. We only recommend tools we use ourselves. Full disclosure.

Try Devin AI today

$500/mo Team plan ยท Limited preview

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