Devin
Autonomous coding agent that plans, writes, tests and ships code from a task description.
devin.ai returned HTTP 429 to every request on 2026-08-21, so no charging model could be read from an official page.
What it does
- Agentic coding
- Code generation
- Code review
How it compares
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OpenHands
Devin, built by Cognition, does the autonomous-engineer job well, but its boundaries are what send buyers looking.
Official documentation · 19 Sep 2026
Sources
- Sold within
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The Free plan is "$0" ("Download"), Pro is "$20" "per month" ("Select plan") and Max "$200"; Teams is "$80" "/month for team plan + $40/mo per full dev seat", and Enterprise is "Let's talk".
- Interfaces
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Official documentation · 28 Sep 2026
Signup web app at app.devin.ai; 'Tag @Devin in Slack, Teams, and more'; and 'Delegate to Devin Cloud, iterate in Desktop or CLI' naming both a desktop app and a CLI.
Also from Cognition
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Devin Desktop Developer tool
Desktop coding environment running Devin's agents locally, including custom background agents that carry a team's context between sessions.
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Devin CLI AI agent
Local command-line coding agent that runs in the developer's terminal against local files, with Devin Cloud integration; bundled with Devin Desktop and presented by Cognition as a separate tool from the cloud-based Devin.
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Fusion Developer tool
Multi-agent coding architecture pairing a frontier 'lead' model (planning/review) with a cost-efficient 'sidekick' (execution), up to 39% more efficient than other coding harnesses on major benchmarks; available now in Devin Desktop and Devin CLI.
Open Cognition in the directory
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