AI Tool Trail.
AI Coding Agents · Cognition AI

Devin

Autonomous software engineering agent that works asynchronously in its own cloud environment - it plans, writes code, runs a browser and terminal, tests, and opens pull requests with minimal supervision.

Research summary updated . Product details and price estimates come from supplied research and may change. Confirm important details with the official sources below.
OverviewFeaturesUse casesPricingTradeoffsCompatibilityFAQ

What is Devin?

Autonomous software engineering agent that works asynchronously in its own cloud environment - it plans, writes code, runs a browser and terminal, tests, and opens pull requests with minimal supervision. Positioned as a teammate rather than an assistant.

Best for

Well-specified, mechanical engineering work that can run unattended.

Main features

  • Autonomous end-to-end task execution in a sandboxed cloud VM
  • own shell, browser, editor and test runner
  • Devin Wiki auto-documenting your codebase
  • Devin Search for codebase Q&A
  • parallel Devin sessions
  • Slack and Linear integration for task assignment
  • session replay showing every step taken
  • knowledge base of team conventions.

Practical use cases

  • Clearing a backlog of small, well-specified tickets in parallel
  • large mechanical migrations (framework upgrades, dependency bumps)
  • writing missing test coverage
  • bug triage and reproduction
  • documenting an undocumented codebase.

Who is it for?

  • Engineering teams with well-tested codebases, platform teams handling migration backlogs, and organisations experimenting with autonomous agents.

Pricing, free access & limits

Usage-based - billed in Agent Compute Units (ACUs) - plus team plans

Plans described in the source

Core plan at $20/mo minimum with pay-as-you-go ACUs (historically around $2.25 per ACU; roughly one ACU per 15 minutes of active work). Team plans around $500/mo including a bundle of ACUs plus seats. Enterprise quoted annually with volume ACU commitments, VPC deployment and SSO. Cognition dropped the original $500/mo minimum entry point in 2025 to open self-serve access.

Free plan

No free plan.

Free trial

No standing self-serve trial; the $20 entry plan is the low-commitment evaluation route. Enterprise pilots via sales.

Usage limits to consider

ACU-metered - a complex task can consume many ACUs with no guarantee of success, so cost per completed ticket is variable. Concurrency (parallel Devin sessions) is tier-limited.

Confirm current plans and pricing ↗

Strengths & tradeoffs

These points summarize the supplied research, rather than hands-on test results.

Strengths noted in the source

  • Genuinely asynchronous - you assign a ticket in Slack and get a PR back, which no IDE-based tool replicates
  • parallel sessions let one engineer supervise several tasks
  • session replay makes the agent's work auditable
  • Devin Wiki is a useful byproduct on legacy codebases.

Limitations to consider

  • Success rate on ambiguous or architecturally complex tasks is low and ACUs are consumed either way
  • requires a well-tested codebase with good CI to be safe
  • expensive per completed unit of work compared with a developer using Cursor
  • early independent benchmarks were considerably less flattering than the marketing
  • needs careful sandbox and credential governance.

Platforms, languages & integrations

Platforms

  • Web app, Slack, Linear, Jira
  • GitHub/GitLab integration

Languages

  • Mainstream languages; strongest on Python, TypeScript/JavaScript, Go

API access

Yes - Devin API for programmatic session creation and enterprise integration

Integrations and exports

  • GitHub, GitLab, Slack, Linear, Jira, Sentry, AWS, custom via API and MCP

Evaluation notes

Scope tasks tightly and measure cost per merged PR, not cost per hour - that is the only honest ROI metric. Devin performs best where a human would also find the task mechanical; it struggles where judgement is required.

Frequently asked questions

What is Devin best for?

Well-specified, mechanical engineering work that can run unattended.

What free access does Devin offer?

No free plan.

What limits should I check before using Devin?

ACU-metered - a complex task can consume many ACUs with no guarantee of success, so cost per completed ticket is variable. Concurrency (parallel Devin sessions) is tier-limited.

Does Devin provide an API?

Yes - Devin API for programmatic session creation and enterprise integration

Sources & editorial notes

Based on the directory editor’s supplied research. The source does not provide a verification date for this row. Importing a record does not independently verify every product claim.

Additional references named in the research

devin.ai/pricing; docs.devin.ai; Cognition blog