Aider vs Windsurf
Aider
AI pair programming in your terminal — open-source.
Free to start · See pricing
Windsurf
Codeium's full-IDE agent that writes and reviews code with you.
From $15/mo · See pricing
| Spec | Aider | Windsurf |
|---|---|---|
| Category | AI Coding | AI Coding |
| Pricing | Free | $15/mo |
| Hours saved/wk | 4 | 7 |
| Ease of use | — | — |
| Popularity | — | — |
| Usefulness | — | — |
| ROI Score | 59.0 | 62.0 |
Our pick: Windsurf
With an ROI score of 62.0/100, Windsurf edges ahead on value for money. Plans start at $15/mo.
Try Windsurf Free →Related comparisons
Frequently asked questions
Is Aider better than Windsurf in 2026?
Based on our editorial ROI Score, Windsurf (62.0/100) edges out Aider (59.0/100). The score factors in cost, time saved, ease of use, and output quality.
Is Aider cheaper than Windsurf?
Aider starts at free, while Windsurf starts at $15/mo. Visit the full pricing pages for plan details.
What is the main difference between Aider and Windsurf?
Both are AI Coding tools, but they differ in pricing, ease of use, and feature depth. Windsurf scores higher on our ROI metric, which weights value for money alongside real-world output quality.
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