CompareStack/Grammarly vs GitHub Copilot
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Updated March 2026 · Independent Analysis

GrammarlyvsGitHub Copilot

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.

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Grammarly

AI writing assistant for grammar, clarity, and tone — works across all your apps.

★ 4.7/5Founded 200930M+ users
Try Grammarly Free →
G
GitHub Copilot

AI pair programmer by GitHub and OpenAI that suggests code completions and entire functions in your IDE.

★ 4.5/5Founded 20211.8M+ users
Try GitHub Copilot Free →

⚡ Quick Stats

⭐
Avg Rating
Grammarly4.7/5
GitHub Copilot4.5/5
🏆 Grammarly wins
💰
Starting Price
Grammarly$12/mo
GitHub Copilot$10/mo
🏆 GitHub Copilot wins
🔧
Features
Grammarly8
GitHub Copilot12
🏆 GitHub Copilot wins
🎁
Free Plan
GrammarlyYes ✓
GitHub CopilotNo
🏆 Grammarly wins

📊 Ratings Breakdown

G

Grammarly

4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
G

GitHub Copilot

4.5/5 avg
G2 Score4.5/5
Capterra Score4.6/5
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
Try Grammarly Free →
Choose GitHub Copilot if you need:
  • ✓ Code completion
  • ✓ Chat in IDE
  • ✓ Pull request summaries
  • ✓ Code explanation
  • ✓ Test generation
Try GitHub Copilot Free →

🔧 Feature Comparison

Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. GitHub Copilot uniquely offers Code completion, Chat in IDE, Pull request summaries. Both share 0 features.

Feature
Grammarly
GitHub Copilot
Grammar checking
✓
✗
Plagiarism detection
✓
✗
Tone suggestions
✓
✗
Style improvements
✓
✗
Browser extension
✓
✗
MS Office plugin
✓
✗
Mobile app
✓
✗
Team style guide
✓
✗
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
✗
✓
Total Features
8
12

💰 Pricing Comparison

GitHub Copilot starts at $10/mo, 17% cheaper than Grammarly's $12/mo.

G

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
Full Grammarly pricing breakdown →
G

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
Full GitHub Copilot pricing breakdown →
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❓ Frequently Asked Questions

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