Windsurf vs Grammarly: Full Comparison (2026)
Windsurf and Grammarly are both popular choices — but they serve different strengths. Here's what the data says.
⚡ Quick comparison
| Feature | Windsurf | Grammarly |
|---|---|---|
| Rating | ★★★★☆ 8.4/10 🏆 Winner | ★★★★☆ 8.1/10 |
| Monthly price | $15 | $12 |
| API (input / output per 1M) | — | — |
| Context window | — | — |
| Free tier | ✅ Yes | ✅ Yes |
| Provider | Codeium | Grammarly Inc. |
| Best for | Developers who want Cursor features at lower cost, Agentic coding tasks | Non-native English writers, Professional email writers |
🔀 Cross-category comparison
Windsurf (AI Coding Assistants) and Grammarly (AI Writing Tools) serve different primary use cases, but both may appear in the same AI stack.
- Use Windsurf for: Developers who want Cursor features at lower cost, Agentic coding tasks
- Use Grammarly for: Non-native English writers, Professional email writers, Anyone needing grammar checks
- They are complementary, not direct substitutes — many teams use both.
✅ Windsurf — Pros
- Cascade agentic editing
- Free tier available
- Strong autocomplete
- Cheaper than Cursor
❌ Windsurf — Cons
- Newer, smaller community
- Less battle-tested than Cursor
- Cascade can run too many tokens
✅ Grammarly — Pros
- Works everywhere (browser extension)
- Excellent grammar correction
- Tone detection
- Free tier useful
❌ Grammarly — Cons
- Not a content generator
- AI rewrites can feel generic
- Privacy concerns for sensitive docs
🏁 Verdict
Based on independent analysis of public benchmarks and pricing data, Windsurf scores higher overall (8.4/10 vs 8.1/10). That said, Grammarly wins in specific scenarios — see above.
- Choose Windsurf if: Developers who want Cursor features at lower cost, Agentic coding tasks
- Choose Grammarly if: Non-native English writers, Professional email writers, Anyone needing grammar checks
❓ Frequently asked questions
Is Windsurf better than Grammarly?
Windsurf scores higher overall (8.4/10 vs 8.1/10). The best choice depends on your use case — see the verdict above.
Which is cheaper: Windsurf or Grammarly?
Grammarly at $12/month vs $15/month for Windsurf.
What is Windsurf best for?
Developers who want Cursor features at lower cost, Agentic coding tasks.
What is Grammarly best for?
Non-native English writers, Professional email writers, Anyone needing grammar checks.
Do Windsurf or Grammarly have a free tier?
Windsurf has a free tier. Grammarly has a free tier.
Windsurf →Grammarly →
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