Devin vs Cosine
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Devin if you want autonomous ai software engineer that takes delegated tickets to a reviewed pr (Supervised agent, usage); choose Cosine if you want agentic ai software engineer producing reviewable, controlled code (Supervised agent, subscription).
| Devin | Cosine | |
|---|---|---|
| What it is | Autonomous AI software engineer that takes delegated tickets to a reviewed PR | Agentic AI software engineer producing reviewable, controlled code |
| Type | agent | agent |
| Autonomy | Supervised agent | Supervised agent |
| Pricing | usage · $20/mo + usage (ACU credits) | subscription · $19/mo (Starter) |
| Best for | enterprise, mid-market, developers | developers, enterprise |
| Deployment | saas, api | saas, self-hosted |
| Modalities | text, code, browser, api | text, code |
| Models | claude, proprietary | proprietary |
| Protocols | mcp, rest-api, function-calling | rest-api |
| Integrations | GitHub, GitLab, Bitbucket, Slack, Microsoft Teams, Jira | GitHub, Jira, Linear, Slack, VS Code |
| Capabilities | 4 documented | 4 documented |
Devin
- +Genuinely async, delegated model: handles whole tickets and large parallel migrations rather than line-by-line autocomplete
- +Deep workflow integration (Slack, Jira, Linear, GitHub) plus DeepWiki codebase indexing and a public API
- +Validated at large, complex enterprises
- -Best on clear, verifiable tasks; Cognition's own framing acknowledges it can make mistakes or get stuck on complex work and needs human review
- -Usage-based ACU billing can get expensive and unpredictable on open-ended work
Cosine
- +Built for review and control: a diff-plus-evidence handoff fits real merge workflows
- +Proprietary, purpose-trained model rather than a thin wrapper
- +Multi-surface (CLI, desktop, cloud) with async parallel execution
- -"Fully agentic" branding oversells reality; output needs human review and merge
- -Headline SWE-bench scores are company-reported and never appeared on the official leaderboard
Which should you choose?
Devin is autonomous ai software engineer that takes delegated tickets to a reviewed pr, best for enterprise, mid-market, developers. Cosine is agentic ai software engineer producing reviewable, controlled code, best for developers, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.