Aider vs Devin
An honest, side-by-side comparison from the ToolHund editors — plus what the community actually votes for.
Aider
AI pair programming in your terminal
Aider lets developers pair program with LLMs directly in a local git repository from the terminal.
Visit AiderDevin
Autonomous AI software engineer from Cognition
Devin plans, writes, tests, and ships code inside a team's existing development workflow — Cognition's autonomous engineering agent.
Visit DevinAider takes the ToolHund Score (77/100 vs 63/100) — but the right pick depends on your workflow.
Pick Aider if you need: terminal-first developers who want lightweight ai code editing with git integration. · Pick Devin if you need: engineering teams that want to delegate larger coding tasks, bug fixes, and implementation work.
Which one should you pick?
- You need terminal-first developers who want lightweight ai code editing with git integration.
- Your team fits: great for small teams (2–20) and serious solo pros
- Learning curve OK: gentle — productive within 10 minutes
- Pricing works: Open source · Bring your own key
- You need engineering teams that want to delegate larger coding tasks, bug fixes, and implementation work.
- Your team fits: great for small teams (2–20) and serious solo pros
- Learning curve OK: steep — expect a few hours to feel productive
- Pricing works: Paid · From $500/mo
Side-by-side comparison
| Feature | Aider | Devin |
|---|---|---|
| Category | Agents | Agents |
| Pricing | Open source · Bring your own key | Paid · From $500/mo |
| Best for | Terminal-first developers who want lightweight AI code editing with git integration. | Engineering teams that want to delegate larger coding tasks, bug fixes, and implementation work. |
| Active users | 100K+ | Enterprise |
| Editor rating | 4.6 / 5 | 4.6 / 5 |
- Git-native edits
- Terminal UI
- Multi-model
- Repo map
- Autonomous PRs
- Long-running tasks
- Team workflow
- Sandboxed execution
Which one would you pick?
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Why did you choose Aider or Devin?
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Common questions
Is Aider better than Devin?+
Aider scores 77/100 on the ToolHund rubric vs Devin at 63/100 — but "better" depends on your workflow. Aider wins if you need terminal-first developers who want lightweight ai code editing with git integration.
What is the pricing difference between Aider and Devin?+
Aider: Open source · Bring your own key. Devin: Paid · From $500/mo.
Can I use both Aider and Devin together?+
Yes — many teams pair them. Use Aider for terminal-first developers who want lightweight ai code editing with git integration. and switch to Devin when you need engineering teams that want to delegate larger coding tasks, bug fixes, and implementation work.
Who should avoid Aider?+
Casual or one-off users — the monthly fee won't pay back
Who should avoid Devin?+
Casual or one-off users — the monthly fee won't pay back
Other Agents comparisons
Keep comparing — see how Aider stacks up against more tools in the same category.