Devin vs Aider — Head-to-Head Comparison
Quick verdict: Aider edges ahead
with a 4.4/5 rating vs 4.1/5.
See the full breakdown below.
Feature Comparison
| Feature | Devin | Aider |
|---|---|---|
| Fully autonomous task execution from issue description to pull request | ✓ | — |
| Sandboxed environment with shell, browser, and code editor access | ✓ | — |
| Structured session timeline for reviewing agent decisions | ✓ | — |
| GitHub integration for PR creation and issue-to-code workflow | ✓ | — |
| Devin Desktop: agentic IDE (formerly Windsurf/Codeium), now part of the same product line | ✓ | — |
| Free tier with light agent quota, unlimited inline edits and Tab completions | ✓ | — |
| Slack integration for asynchronous task assignment | ✓ | — |
| API access for programmatic task assignment in CI/CD workflows | ✓ | — |
| Terminal-based AI pair programming with direct git commit integration | — | ✓ |
| Support for OpenAI, Anthropic, Google Gemini, Ollama, and 50+ LLM providers | — | ✓ |
| File context management with explicit add/drop workflow | — | ✓ |
| Automatic git commits with AI-generated commit messages | — | ✓ |
| Voice input for dictating code changes | — | ✓ |
| Watch mode for implementing annotated code comments | — | ✓ |
| Multi-file editing and refactoring | — | ✓ |
| Web search integration for documentation lookup | — | ✓ |
| Diff review before committing changes | — | ✓ |
| Repo map for whole-codebase context awareness | — | ✓ |
Pricing Comparison
| Plan | Devin | Aider |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Free / Open Source |
Which Should You Choose?
Choose Devin if...
Cognition AI's autonomous software engineer, now also shipped as the Devin Desktop IDE (formerly Windsurf/Codeium)
Visit DevinChoose Aider if...
Open-source terminal AI pair programmer that works with your local git repo
Visit Aider