Devin AI
Cognition's autonomous coding agent — treat it like a junior engineer you assign a ticket to, not an autocomplete tool you watch over your shoulder.
What is Devin AI?
Devin, built by Cognition and led by Scott Wu, launched with a bold claim in 2024: the first "AI software engineer" rather than an AI coding assistant. The distinction matters. Where a tool like GitHub Copilot completes code while you're actively writing, Devin runs in its own cloud Linux sandbox, plans out a coding task, writes the code, runs the tests, and opens a pull request — largely without you watching each step. You assign it a ticket much like you would a junior engineer, and check back on the result. The original version launched at a steep $500 a month; Devin 2.0, in April 2025, brought the entry price down to $20, opening it up to individual developers rather than just well-funded teams.
Cognition has moved fast since. In July 2025 it acquired Windsurf, a well-regarded AI coding editor, for roughly $250 million, and on June 2, 2026 folded that product directly into the Devin brand — Windsurf is now called Devin Desktop, sitting alongside Devin Cloud (the original autonomous agent), Devin CLI, and Devin Review under one family. The pitch today is that Devin covers the whole spectrum: a supervised, in-editor agent for work you want to watch, and a fully autonomous cloud agent for work you're comfortable delegating outright. Billing runs on a distinctive unit called the ACU (Agent Compute Unit), roughly 15 minutes of active autonomous work, which makes cost tie directly to how much Devin actually does rather than a flat seat price.
Valuation and funding figures are as publicly reported around Cognition's May 2026 raise. The Windsurf-to-Devin-Desktop rebrand happened June 2, 2026 — very recent at time of writing, so some documentation and community discussion may still reference the old "Windsurf" name.
Key features
Devin Cloud
A full autonomous agent that plans, codes, tests and opens pull requests in its own sandbox environment.
Devin Desktop
The supervised, in-editor experience (formerly Windsurf) for work you want to watch and guide directly.
Agent Command Center
A Kanban-style view showing every local and cloud agent's status — running, waiting for review, or done.
Spaces
Shares context, files and Git worktrees across multiple agents working on related tasks.
Codemaps
Visual navigation of a codebase's structure, making it easier to understand what an agent is touching.
SWE-1.6
Cognition's own fast, proprietary coding model, included free on paid plans.
Pricing
Free
- Try Devin Desktop & light Devin Cloud use
- Access to SWE-1.6
- Not meaningful for regular autonomous work
Pro
- Devin Cloud agent access included
- Quota of autonomous work, on-demand credits beyond that
- Access to third-party frontier models
Max
- Substantially higher usage quota
- Built for heavy, daily autonomous delegation
- Priority access during peak demand
Teams pricing runs about $80/month plus $40/seat, and Enterprise is billed directly in ACUs with custom contracts. Prices reflect Cognition's June 2026 pricing restructure and may change — cards link to Devin's official pricing page.
Available models
Integrations & platforms
Pros, cons & best for
Pros
- Genuinely autonomous — plans, codes, tests and opens PRs on its own
- Price dropped dramatically, making it viable for individuals now
- One unified family now covers both supervised and autonomous work
Cons
- Works best on well-scoped tickets, not vague or exploratory tasks
- ACU-based billing takes some getting used to versus a flat seat price
- The very recent Windsurf-to-Devin rebrand means some docs still lag behind
Best for
- Teams with a backlog of clearly-scoped tickets to delegate
- Engineers comfortable reviewing a PR asynchronously rather than pairing live
- Organizations already invested in Cognition's IDE via Devin Desktop
Take a look inside
Alternatives
If you want a supervised in-editor assistant rather than a fully autonomous agent:
Our verdict
Devin's core promise — hand off a well-defined coding task and get back a tested, reviewable pull request — genuinely works when the ticket is clearly scoped, and the price drop from $500 to $20 a month made that promise accessible to far more developers than the original launch ever was. The June 2026 consolidation into one Devin family, spanning cloud, desktop and CLI, is a smart bet on covering the whole spectrum from "watch me code" to "just get it done." The trade-off is that Devin rewards good task-writing discipline; teams that treat it like a magic wand for vague, underspecified work tend to come away disappointed. Best thought of as a genuine extra pair of hands for a backlog you're willing to delegate, not a replacement for how your team already codes day to day.
FAQ
What happened to Windsurf?
Cognition acquired Windsurf in July 2025 and, on June 2, 2026, rebranded it as Devin Desktop. It's the same editor and plans, just folded into the unified Devin product family.
Is Devin actually autonomous, or does it need supervision?
Devin Cloud is designed to work with minimal supervision — planning, coding, testing and opening a pull request on its own. Devin Desktop, by contrast, is a supervised, in-editor experience where you stay present throughout.
What is an ACU?
An Agent Compute Unit, Cognition's billing measure for autonomous work — roughly 15 minutes of active Devin activity. Enterprise plans are billed directly in ACUs; self-serve plans wrap this into subscription quotas plus on-demand credits.
How much does Devin cost?
Pro starts at $20/month, down substantially from the original $500/month launch price. A Max tier runs $200/month for heavier use, alongside Team and custom Enterprise pricing.
Is Devin better than Cursor?
They solve different problems. Cursor keeps you actively involved as you write code; Devin is built to take a task off your plate almost entirely. Many teams use both, depending on the work.
Does Devin work with any codebase?
It works best with well-organized repositories and clearly scoped tickets. Vague or highly exploratory tasks tend to produce weaker results than tasks with a clear definition of done.