SWE-agent vs Devin
Which is better in 2025? An honest breakdown.
Expert's Verdict
Devin wins overall with a 3.8/5 rating vs SWE-agent's 3.7/5. But the right choice depends on your specific situation.
Choose SWE-agent if:
- ✓ AI researchers
- ✓ engineers studying agent frameworks
- ✓ open-source maintainers
Choose Devin if:
- ✓ engineering leads
- ✓ CTOs delegating tasks
- ✓ teams with clear specs
Feature Comparison
| Feature | SWE-agent | Devin |
|---|---|---|
| Rating | ⭐ 3.7/5 | ⭐ 3.8/5 |
| Pricing | free | paid |
| Free Tier | ✓ Yes | ✗ No |
| Best For | AI researchers, engineers studying agent frameworks | engineering leads, CTOs delegating tasks |
| Avoid If | non-technical users | solo developers on a budget |
| Top Use Case | autonomous-bug-fixing | autonomous-coding |
What is SWE-agent?
SWE-agent is an open-source autonomous software engineering agent from Princeton NLP that interfaces with GitHub repositories via a custom agent-computer interface (ACI). You point it at a GitHub issue, it clones the repo, explores the codebase, writes a fix, and submits a patch. It scored highly on the SWE-bench benchmark — outperforming many commercial agents when it launched.
What is Devin?
Devin by Cognition AI is positioned as a fully autonomous software engineer — you give it a task, it spins up its own environment, writes code, runs tests, debugs, and ships pull requests. It has a browser, terminal, code editor, and memory. For well-scoped tickets (fix this bug, implement this API endpoint based on the spec), it genuinely completes tasks end-to-end without handholding.
Frequently Asked Questions
Is SWE-agent better than Devin?
Devin scores higher overall (3.8/5 vs 3.7/5). Impressive demo, inconsistent reality. Great for well-scoped tasks, frustrating for anything requiring product judgment. Worth trying at $500/month if your eng team is bottlenecked.
What is the main difference between SWE-agent and Devin?
SWE-agent is designed for AI researchers and engineers studying agent frameworks, while Devin excels for engineering leads and CTOs delegating tasks.
Which is cheaper — SWE-agent or Devin?
SWE-agent is free and has a free tier. Devin is paid.
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