Updated March 2026 · Independent Analysis
GrammarlyvsCodeium
Both Grammarly and Codeium start at $12/mo. Grammarly is rated higher at 4.7/5 vs Codeium's 4.5/5.
Grammarly
AI writing assistant for grammar, clarity, and tone — works across all your apps.
★ 4.7/5Founded 200930M+ users
Try Grammarly Free →
Codeium
Free AI code acceleration toolkit with autocomplete and chat for 70+ languages across 40+ IDEs.
★ 4.5/5Founded 2022500K+ users
Try Codeium Free →⚡ Quick Stats
📊 Ratings Breakdown
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
Codeium
4.5/5 avg
G2 Score4.6/5
Capterra Score4.5/5
Overall Avg4.55/5
⚡ Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
Choose Codeium if you need:
- ✓ AI autocomplete
- ✓ Chat assistant
- ✓ 70+ languages
- ✓ 40+ IDEs
- ✓ Code search
🔧 Feature Comparison
Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Codeium uniquely offers AI autocomplete, Chat assistant, 70+ languages. Both share 0 features.
Feature
Grammarly
Codeium
Grammar checking
✓
✗
Plagiarism detection
✓
✗
Tone suggestions
✓
✗
Style improvements
✓
✗
Browser extension
✓
✗
MS Office plugin
✓
✗
Mobile app
✓
✗
Team style guide
✓
✗
AI autocomplete
✗
✓
Chat assistant
✗
✓
70+ languages
✗
✓
40+ IDEs
✗
✓
Code search
✗
✓
Context awareness
✗
✓
Codebase understanding
✗
✓
Self-hosted option
✗
✓
Zero data retention
✗
✓
Security review
✗
✓
Enterprise SSO
✗
✓
Custom models
✗
✓
Total Features
8
12
💰 Pricing Comparison
Both Grammarly and Codeium start at $12/mo.
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
Codeium Plans
Free tier available
Free
Free- • Unlimited autocomplete
- • AI chat
- • All IDEs
TeamsBest Value
$12/mo- • Team features
- • Analytics
- • Priority support
Enterprise
Custom- • Self-hosted
- • Custom models
- • SSO
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❓ Frequently Asked Questions
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