Updated March 2026 · Independent Analysis
Windsurf (Codeium)vsGrammarly
Grammarly starts at $12/mo, 20% cheaper than Windsurf (Codeium)'s $15/mo. Both rated 4.7/5 by users.
Windsurf (Codeium)
AI-native code editor by Codeium featuring the Cascade agent that understands and modifies entire codebases through multi-step reasoning.
★ 4.7/5Founded 2022200K+ users
Try Windsurf (Codeium) Free →
Grammarly
AI writing assistant for grammar, clarity, and tone — works across all your apps.
★ 4.7/5Founded 200930M+ users
Try Grammarly Free →⚡ Quick Stats
📊 Ratings Breakdown
Windsurf (Codeium)
4.7/5 avg
G2 Score4.7/5
Capterra Score4.6/5
Overall Avg4.65/5
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
⚡ Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Windsurf (Codeium) if you need:
- ✓ Cascade AI agent
- ✓ Codebase awareness
- ✓ Multi-file editing
- ✓ Terminal integration
- ✓ Deep context understanding
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
🔧 Feature Comparison
Windsurf (Codeium) uniquely offers Cascade AI agent, Codebase awareness, Multi-file editing. Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Both share 0 features.
Feature
Windsurf (Codeium)
Grammarly
Cascade AI agent
✓
✗
Codebase awareness
✓
✗
Multi-file editing
✓
✗
Terminal integration
✓
✗
Deep context understanding
✓
✗
Flows mode
✓
✗
Supercomplete
✓
✗
VS Code-based
✓
✗
Extensions support
✓
✗
Privacy mode
✓
✗
Team features
✓
✗
Claude/GPT-4 models
✓
✗
Grammar checking
✗
✓
Plagiarism detection
✗
✓
Tone suggestions
✗
✓
Style improvements
✗
✓
Browser extension
✗
✓
MS Office plugin
✗
✓
Mobile app
✗
✓
Team style guide
✗
✓
Total Features
12
8
💰 Pricing Comparison
Grammarly starts at $12/mo, 20% cheaper than Windsurf (Codeium)'s $15/mo.
Windsurf (Codeium) Plans
Free tier available
Free
Free- • 200 Cascade uses/mo
- • Supercomplete
- • VS Code-based
ProBest Value
$15/mo- • Unlimited Cascade
- • All models
- • Priority access
Grammarly Plans
Free tier available
Free
Free- • Basic grammar
- • Spelling
- • Punctuation
PremiumBest Value
$12/month- • Style suggestions
- • Tone detection
- • Plagiarism checker
- • Full rewrites
Business
$15/month- • Team features
- • Style guide
- • Analytics
- • Priority support
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❓ Frequently Asked Questions
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