grammarly
Grammarly
AI writing assistant for style, grammar, and tone
DSGVO: conformEU-AI-Act: minimalFree tier
AI tool comparison
Grammarly vs. Windsurf (ehem. Codeium)
A practical comparison of Grammarly and Windsurf (ehem. Codeium) across pricing, GDPR, EU AI Act risk, and workflow fit.
codeium
Windsurf (ehem. Codeium)
Cascade agent in its own IDE — generous free tier
DSGVO: partialEU-AI-Act: limitedFree tier
Side-by-side comparison
| Factor | Grammarly | Windsurf (ehem. Codeium) |
|---|---|---|
| Pricing | Free tier | Free tier |
| GDPR | conform | partial |
| EU AI Act | minimal | limited |
| Data residency | us | us |
| Use cases | Text, Create content, Summarize & structure, Translate & localize | Text, Code, Build & code |
| Data quality | — | — |
| Updated | 6/15/2026 | 6/15/2026 |
Choose Grammarly when
Classic for English text; now with Generative AI (GrammarlyGO) for drafts, rewrites, tone adjustments. Browser plugin + desktop.
Choose Windsurf (ehem. Codeium) when
Own IDE with Cascade agent + Codeium plugin for VS Code/JetBrains. Free tier with unlimited completions.
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