Aider vs Devin
Side-by-side comparison of Aider and Devin — features, pricing, and trade-offs.
| Aider | Devin | |
|---|---|---|
| Tagline | Open-source AI pair programmer in your terminal. | Cognition's autonomous AI software engineer. |
| Pricing model | free | paid |
| Lowest paid tier | Free | $20/mo |
| Launched | 2023 | 2024 |
| Best for | OSS lovers, model agnostic workflows | async delegation, ticket triage, Slack-native teams |
| Top features | Open source, Git-aware, Multi-model (Claude, GPT, local) | Async agent, Slack/Linear integration, Multi-task |
Aider
Open-source AI pair programmer in your terminal.
- + Free
- + Bring-your-own model
- + Privacy-friendly
- − Less polished UX
- − Setup overhead
Devin
Cognition's autonomous AI software engineer.
- + Truly autonomous
- + Async — works while you sleep
- + Strong on smaller tickets
- − Expensive at scale
- − Quality varies on complex tasks