Updated March 2026 · Independent Analysis
GrammarlyvsRunway
Grammarly starts at $12/mo, 20% cheaper than Runway's $15/mo. Grammarly is rated higher at 4.7/5 vs Runway'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 →
Runway
Professional AI video generation and editing suite with Gen-2 model for text-to-video and visual effects.
★ 4.5/5Founded 20182M+ users
Try Runway Free →⚡ Quick Stats
📊 Ratings Breakdown
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
Runway
4.5/5 avg
G2 Score4.5/5
Capterra Score4.4/5
Overall Avg4.45/5
⚡ 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 Runway if you need:
- ✓ Gen-2 video generation
- ✓ Text to video
- ✓ Image to video
- ✓ Video inpainting
- ✓ Motion brush
🔧 Feature Comparison
Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Runway uniquely offers Gen-2 video generation, Text to video, Image to video. Both share 0 features.
Feature
Grammarly
Runway
Grammar checking
✓
✗
Plagiarism detection
✓
✗
Tone suggestions
✓
✗
Style improvements
✓
✗
Browser extension
✓
✗
MS Office plugin
✓
✗
Mobile app
✓
✗
Team style guide
✓
✗
Gen-2 video generation
✗
✓
Text to video
✗
✓
Image to video
✗
✓
Video inpainting
✗
✓
Motion brush
✗
✓
Camera controls
✗
✓
Green screen
✗
✓
Background removal
✗
✓
Frame interpolation
✗
✓
Color grading
✗
✓
Audio tools
✗
✓
Collaboration
✗
✓
Total Features
8
12
💰 Pricing Comparison
Grammarly starts at $12/mo, 20% cheaper than Runway's $15/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
Runway Plans
Free tier available
Free
Free- • 125 generation credits
- • 720p export
- • Basic tools
StandardBest Value
$15/mo- • 625 credits/mo
- • Upscaling
- • No watermark
Pro
$35/mo- • 2250 credits/mo
- • 4K export
- • Custom models
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❓ Frequently Asked Questions
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