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Head-to-head · Nov 2025 – Nov 2026

Windsurf vs Aider: what 1 developers chose.

70 opinions. 1 developers named a direct preference: Aider 1–0. Approval is 58% vs 60%.

70 opinions74 developersNov 2025 – Nov 2026Methodology
Windsurf
58%
36 opinions · 35 developers
90 days: –
VS
Aider
60%
34 opinions · 39 developers
90 days: –
Our call

If you want UX, choose Windsurf. If you want code quality, choose Aider. The 1–0 direct split is not a landslide; it is a difference in working style.

Choose Windsurf if you…

  • Want an editor-based workflow
  • Value tab completion and model choice
  • Accept quota and pricing risk

Choose Aider if you…

  • Work from a terminal
  • Care about code quality on large repositories
  • Can absorb API token costs
Where each wins

UX for Windsurf. Code quality for Aider.

Net sentiment per topic: praise minus complaints, as a share of mentions. Positive means more praise than complaints. Hover a dot for the raw counts.

WindsurfAider
TopicMore complaints ← → More praiseNet
UX 6 / 4 mentions
+33 / −50
−100−500+50+100

Net sentiment = praise minus complaints, as a share of each tool's mentions. The dot lanes are only for readability; position is the score.

View data table
TopicWindsurfAiderMentions
UX+33-506 / 4
Why developers switched

The same decision, from both sides.

Paraphrased from comments where a developer named a preference or described a switch. Each links to the original.

Picked Windsurf 0 developers

No explicit switches recorded.

Picked Aider 1 developers

Aider handled a huge Go codebase better than Cursor, Claude Code, Gemini CLI, Codex, and IDE agents, with high accuracy and control.

HN comment · Dec 14, 2025Read on HN ↗
Side by side

The numbers.

MetricWindsurfAider
Approval58%60%
Last 90 days––
Opinions3634
Developers3539
First-hand opinions3135
Direct picks01
TypeAI IDETerminal agent
Made byCognitionOpen source
WebsiteVisit ↗Visit ↗
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Methodology

How to read this comparison.

Approval is the positive share of opinions that took a side, with the rank based on the lower bound of a 90% confidence interval. Direct picks count comments where a developer explicitly preferred one tool or described switching. Small samples are noisier; check the opinion counts.

Read the full method →