Devin
B Tier · 7.4/10
The most autonomous AI coding agent -- now a full product family: Devin Cloud, **Devin Desktop (the renamed Windsurf IDE, June 2 2026)**, and Devin Review. Cognition raised $1B+ at a $26B valuation (May 27). Recent shipments: Claude Fable 5 support day-one (6/9), Auto-Triage (5/18), Windows VMs (5/21), Android Emulator (5/13)
Score Breakdown
The Good and the Bad
What we like
- +Genuine autonomy -- you can describe a task and walk away while it researches dependencies, writes code, and runs tests. Devin 2.2 (Feb 24 2026) improved long-session context retention so it holds plans coherently across multi-hour work
- +Desktop / GUI testing via computer-use (Devin 2.2) -- Devin can drive Figma, Photoshop, or browser-based SaaS tools, which unlocks classes of tasks (QA automation, designer-handoff) that inline IDE agents can't touch
- +Devin Review (Devin 2.2) automatically analyzes pull requests and reportedly catches ~30% more issues than human review alone -- used internally at Cognition before public release, now available as a standalone mode
- +Now embedded in Windsurf 2.0 as the cloud-agent layer (2026-04-15) -- if you want Devin's background autonomy alongside an inline IDE experience, Windsurf 2.0 is the integrated path
What could be better
- −Complex architecture decisions are where it struggles -- it'll build something that works but isn't how a senior dev would structure it
- −Ambiguous specs send it down rabbit holes -- you'll burn ACUs watching it go in circles on unclear requirements
- −Much slower than copilot-style tools for quick edits -- the autonomous workflow has overhead that doesn't make sense for small changes
- −ACU consumption is unpredictable -- a task you think is simple can eat through credits if Devin hits a snag
Pricing
Core
- ✓250 ACUs included
- ✓Full autonomous agent
- ✓GitHub integration
Team
- ✓500 ACUs included
- ✓Team management
- ✓Priority support
Known Issues
- BENCHMARK PUBLISHED (2026-06-08): Cognition released **FrontierCode** -- a benchmark measuring 'code mergeability' (would a maintainer actually merge the generated code, not just does it pass tests). 150 tasks in nested subsets (Extended 150 / Main 100 / Diamond 50-hardest), scored on blocker-criteria pass rate + weighted rubric, 5 runs per task. Diamond results: Claude Opus 4.8 13.4%, GPT-5.5 6.3% (with 4x fewer tokens), Gemini 3.1 Pro 4.7%, Kimi K2.6 3.8% (open-source leader). Tasks are NOT public (contamination prevention); evals opening to model creators. Positions Cognition as a measurement authority for exactly the metric Devin sells on -- and the low absolute scores are a sober counterpoint to 'AI writes mergeable code today' marketingSource: Cognition blog (cognition.ai/blog/frontier-code) · 2026-06-08
- COMPANY + PRODUCT (June 2026 cluster): **6/2 -- Windsurf renamed Devin Desktop** via OTA update; Cognition now ships one Devin family (Cloud / Desktop / Review) and Devin Cloud agent access starts on Desktop's $20 Pro plan (see the windsurf page for migration detail). **5/27 -- $1B+ raised at a $26B valuation** (Lux Capital, General Catalyst, 8VC lead; vendor-confirmed in Cognition's 'More Devins in More Places' post). **6/4 -- 'AI Productivity Guarantee'** announced for enterprise contracts. **6/9 -- Claude Fable 5 available in Devin on launch day.** Practical read: Cognition is consolidating brands and pushing downmarket -- the $20 entry point now buys both the IDE and cloud-agent access that used to be enterprise-gatedSource: Cognition blog (cognition.ai/blog), Devin blog (devin.ai/blog) · 2026-06-02
- PRODUCT (2026-05-18 + 2026-05-21): Cognition shipped two material Devin features in 4 days. **5/18 Auto-Triage**: Devin observes incoming bug reports / incident channels, investigates with its tool surface (logs, deploy state, recent diffs), consolidates duplicate or related reports into a single thread, and generates triage-quality PRs as a default starting point. Cuts the manual on-call triage step entirely for well-scoped bug classes. **5/21 (TODAY) Windows VM support**: Devin can now build, run, and test code natively inside Windows VMs (was Linux-only sandbox prior). Cognition framing: 'the world's most mature developer ecosystem.' Material for any Windows-stack shop (.NET, WPF, Unity Windows builds, MAUI Windows) that previously could not use Devin for end-to-end build+test runs. Closes a gap vs Cursor cloud Dev Environments (5/13 ship) which is Docker-Linux only by default.Source: Cognition blog (cognition.ai/blog) -- 2026-05-18 Auto-Triage + 2026-05-21 Windows VMs · 2026-05-21
- PRODUCT (2026-05-13): Cognition shipped Android Emulator support for Devin -- Devin can now spin up an Android Virtual Device (AVD) inside its sandbox and use it for autonomous mobile app development end-to-end (build, deploy to emulator, exercise UI, screenshot, iterate). Closes the gap with Cursor 3 + Antigravity for mobile-flow testing without leaving the agent's sandbox. Concurrent: Devin's Review API is now available (in addition to the existing Playbook / schedule / knowledge-management APIs), and the UI added session-grouping + streaming-thoughts preview.Source: Cognition blog (cognition.ai/blog) · 2026-05-13
- Devin sometimes installs outdated package versions or uses deprecated APIs when the training data doesn't reflect recent library changesSource: GitHub Issues · 2026-02
- Long-running sessions occasionally lose context, causing Devin to repeat work or contradict earlier decisions in the same taskSource: Reddit r/programming · 2026-03
Best for
Development teams that want to offload well-scoped tasks like bug fixes, test writing, and boilerplate code to an autonomous agent. Best when the task description is detailed and specific.
Not for
Developers who want fast inline suggestions while coding -- Cursor or Copilot are better for that. Also not ready for unsupervised work on critical production systems.
Our Verdict
Devin is the most ambitious AI coding tool available, and at $20/mo it's finally priced for experimentation. When it works, it's like having a junior developer who never sleeps. When it doesn't, it's like watching that junior dev spend three hours on something you could've done in twenty minutes. The key is task selection -- give it clear, bounded work and it impresses. Give it vague requirements and you'll burn credits watching it spin. It's a glimpse of the future, but today it's a supplemental tool, not a replacement for an IDE-integrated copilot.
Sources
- Cognition: More Devins in More Places ($1B raise, 2026-05-27) (accessed 2026-06-09)
- Devin blog: Windsurf is now Devin Desktop (2026-06-02) (accessed 2026-06-09)
- Cognition blog: Devin updates (2026-05-13) (accessed 2026-05-13)
- Cognition: Introducing Devin 2.2 (accessed 2026-04-17)
- Cognition: Devin in Windsurf 2.0 (accessed 2026-04-17)
- Devin official site (accessed 2026-04-17)
- Reddit r/programming (accessed 2026-04-17)
- GitHub Issues (accessed 2026-04-17)
Explore more Devin rankings
Deeper leaderboards, benchmarks, task-specific tier lists, and status/pricing pages for Devin.
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