Claude Code
Anthropic
4.7
Terminal-native coding agent from Anthropic that reads, edits, and runs code directly inside your repository.
Coding AgentsPaidTerminalSupervisedMCP
Devin
Cloud software engineering agent from Cognition that works asynchronously in its own sandboxed environment.
4.0
by CognitionUpdated Overview
Devin is an autonomous coding agent that runs in a hosted workspace with a shell, browser, and editor. You assign a ticket-sized task, it plans and executes in the background, then opens a pull request for review. The model is delegation rather than pair programming: you check in on progress instead of watching every keystroke.
Key capabilities
- Hosted dev sandbox
- Asynchronous task execution
- Pull request output
- Built-in browser access
- Slack and issue tracker triggers
- Parallel task sessions
Strengths
- Genuinely asynchronous — you assign work and review a PR later instead of supervising a session
- Isolated sandbox means agent mistakes never touch your local machine
- Parallel sessions let one engineer keep several small tasks moving at once
Limitations
- Success rate falls sharply as task ambiguity rises; vague tickets produce confident nonsense
- Review burden shifts to PR time, where mistakes are more expensive to unwind
- Closed hosted environment gives you less control over toolchain and dependencies
Devin’s design question is what happens when you remove the human from the inner loop entirely. The agent gets a workspace with a shell, an editor, and a browser, and works through a task on its own timeline. Output is a pull request, not a diff you approve line by line.
That changes the economics of a task. Supervised agents cost engineer attention proportional to run time; an asynchronous agent costs a fixed review at the end. The trade is that errors compound silently — an early misreading of requirements propagates through every subsequent commit, and you only see it at review.
Where it fits: backlog work with clear acceptance criteria — dependency bumps, adding tests, small well-specified features, migrating patterns already established elsewhere in the codebase. Architectural work and anything requiring taste is still a poor fit. Compare it against supervised alternatives in our best AI agents roundup.
Similar options
Cursor Agent
Anysphere
4.5
Agent mode inside the Cursor editor, planning and applying multi-file changes without leaving the IDE.
Coding AgentsFreemiumIDESupervisedMCP
Aider
Open source
4.2
Open-source terminal pair programmer that maps your repository and commits every change to git.
Coding AgentsOpen SourceTerminalAssisted
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