Updated March 2026 · Independent Analysis
GitHub CopilotvsGrammarly
GitHub Copilot starts at $10/mo, 17% cheaper than Grammarly's $12/mo. Grammarly is rated higher at 4.7/5 vs GitHub Copilot's 4.5/5.
GitHub Copilotvs Grammarly
★ 4.5/5-0.2 vs Grammarly
Only in GitHub Copilot
- ✦ Code completion
- ✦ Chat in IDE
- ✦ Pull request summaries
From $10/mo(cheaper)1.8M+ users · est. 2021
Try GitHub Copilot Free →
Grammarlyvs GitHub Copilot
★ 4.7/5+0.2 vs GitHub Copilot
Only in Grammarly
- ✦ Grammar checking
- ✦ Plagiarism detection
- ✦ Tone suggestions
✓ Free planFrom $12/mo(pricier)30M+ users · est. 2009
Try Grammarly Free →Ratings Breakdown
GitHub Copilot
4.5/5 avg
G2 Score4.5/5
Capterra Score4.6/5
G2 Rating4.5/5
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
G2 Rating4.7/5
Quick Stats
Feature Comparison
GitHub Copilot uniquely offers Code completion, Chat in IDE, Pull request summaries. Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Both share 0 features.
Feature
GitHub Copilot
Grammarly
Code completion
✓
✗
Chat in IDE
✓
✗
Pull request summaries
✓
✗
Code explanation
✓
✗
Test generation
✓
✗
Documentation
✓
✗
Multiple IDEs
✓
✗
50+ languages
✓
✗
Security vulnerability detection
✓
✗
CLI assistance
✓
✗
GitHub integration
✓
✗
Enterprise admin controls
✓
✗
Code refactoring suggestions
✓
✗
Intelligent code reviews
✓
✗
Personalized coding insights
✓
✗
Automated code formatting
✓
✗
Grammar checking
✗
✓
Plagiarism detection
✗
✓
Tone suggestions
✗
✓
Style improvements
✗
✓
Browser extension
✗
✓
MS Office plugin
✗
✓
Mobile app
✗
✓
Team style guide
✗
✓
Total Features
16
8
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose GitHub Copilot if you need:
- ✓ Code completion
- ✓ Chat in IDE
- ✓ Pull request summaries
- ✓ Code explanation
- ✓ Test generation
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
Pricing Comparison
GitHub Copilot starts at $10/mo, 17% cheaper than Grammarly's $12/mo.
GitHub Copilot Plans
Paid plans only
IndividualBest Value
$10/mo- • Unlimited suggestions
- • Chat
- • CLI assistance
Business
$19/mo- • Team management
- • Policy controls
- • Audit logs
Enterprise
$39/mo- • Custom models
- • Fine-tuning
- • Advanced security
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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