Updated March 2026 · Independent Analysis
GrammarlyvsTabnine
Both Grammarly and Tabnine start at $12/mo. Grammarly is rated higher at 4.7/5 vs Tabnine's 4.2/5.
Grammarly
AI writing assistant for grammar, clarity, and tone — works across all your apps.
★ 4.7/5Founded 200930M+ users
Try Grammarly Free →
Tabnine
Privacy-first AI code completion tool supporting 15+ IDEs with options for local, cloud, or self-hosted deployment.
★ 4.2/5Founded 20171M+ users
Try Tabnine Free →⚡ Quick Stats
📊 Ratings Breakdown
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
Tabnine
4.2/5 avg
G2 Score4.1/5
Capterra Score4.2/5
Overall Avg4.15/5
⚡ 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 Tabnine if you need:
- ✓ AI code completion
- ✓ Chat assistant
- ✓ Private code models
- ✓ 15+ IDEs
- ✓ 30+ languages
🔧 Feature Comparison
Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Tabnine uniquely offers AI code completion, Chat assistant, Private code models. Both share 0 features.
Feature
Grammarly
Tabnine
Grammar checking
✓
✗
Plagiarism detection
✓
✗
Tone suggestions
✓
✗
Style improvements
✓
✗
Browser extension
✓
✗
MS Office plugin
✓
✗
Mobile app
✓
✗
Team style guide
✓
✗
AI code completion
✗
✓
Chat assistant
✗
✓
Private code models
✗
✓
15+ IDEs
✗
✓
30+ languages
✗
✓
Zero data retention
✗
✓
Local/cloud models
✗
✓
Self-hosted option
✗
✓
Team learning
✗
✓
Context-aware
✗
✓
Test generation
✗
✓
Documentation
✗
✓
Total Features
8
12
💰 Pricing Comparison
Both Grammarly and Tabnine 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
Tabnine Plans
Free tier available
Free
Free- • Basic completions
- • VS Code + JetBrains
- • Limited suggestions
ProBest Value
$12/mo- • Full completions
- • Chat assistant
- • All IDEs
Enterprise
$39/mo- • Private models
- • Self-hosted
- • Zero data retention
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❓ Frequently Asked Questions
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