Windsurf vs Aider
Side-by-side comparison of Windsurf and Aider — features, pricing, and trade-offs.
| Windsurf | Aider | |
|---|---|---|
| Tagline | Codeium's agentic IDE — Cursor's main rival. | Open-source AI pair programmer in your terminal. |
| Pricing model | freemium | free |
| Lowest paid tier | $15/mo | Free |
| Launched | 2024 | 2023 |
| Best for | full-stack devs, Cursor switchers, agentic coding | OSS lovers, model agnostic workflows |
| Top features | Cascade agent, Multi-file edit, Inline chat | Open source, Git-aware, Multi-model (Claude, GPT, local) |
Windsurf
Codeium's agentic IDE — Cursor's main rival.
- + Strongest Cursor alternative
- + Cheaper Pro tier
- + Good free tier
- − Younger ecosystem
- − Fewer extensions
Aider
Open-source AI pair programmer in your terminal.
- + Free
- + Bring-your-own model
- + Privacy-friendly
- − Less polished UX
- − Setup overhead