Updated March 2026 · Independent Analysis
Meta AIvsGrammarly
Meta AI is free; Grammarly starts at $12/mo. Grammarly is rated higher at 4.7/5 vs Meta AI's 4.3/5.
Meta AI
Meta's AI assistant powered by Llama 4 — built into WhatsApp, Instagram, Facebook, and Messenger.
★ 4.3/5Founded 2023400M+ users
Try Meta AI Free →
Grammarly
AI writing assistant for grammar, clarity, and tone — works across all your apps.
★ 4.7/5Founded 200930M+ users
Try Grammarly Free →⚡ Quick Stats
📊 Ratings Breakdown
Meta AI
4.3/5 avg
G2 Score4.2/5
Capterra Score4.3/5
Overall Avg4.25/5
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
⚡ Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Meta AI if you need:
- ✓ WhatsApp/Instagram integration
- ✓ Image generation
- ✓ Real-time search
- ✓ Llama 4 powered
- ✓ Voice mode
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
🔧 Feature Comparison
Meta AI uniquely offers WhatsApp/Instagram integration, Image generation, Real-time search. Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Both share 0 features.
Feature
Meta AI
Grammarly
WhatsApp/Instagram integration
✓
✗
Image generation
✓
✗
Real-time search
✓
✗
Llama 4 powered
✓
✗
Voice mode
✓
✗
Free forever
✓
✗
Multilingual
✓
✗
Mobile-first
✓
✗
Grammar checking
✗
✓
Plagiarism detection
✗
✓
Tone suggestions
✗
✓
Style improvements
✗
✓
Browser extension
✗
✓
MS Office plugin
✗
✓
Mobile app
✗
✓
Team style guide
✗
✓
Total Features
8
8
💰 Pricing Comparison
Meta AI is free; Grammarly starts 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
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❓ Frequently Asked Questions
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