Updated March 2026 · Independent Analysis
ChatGPTvsGrammarly
Grammarly starts at $12/mo, 40% cheaper than ChatGPT's $20/mo. Both rated 4.7/5 by users.
ChatGPTvs Grammarly
★ 4.7/5
Only in ChatGPT
- ✦ AI text generation
- ✦ Code assistance
- ✦ Image generation
✓ Free planFrom $20/mo(pricier)100M+ users · est. 2022
Try ChatGPT Free →
Grammarlyvs ChatGPT
★ 4.7/5
Only in Grammarly
- ✦ Grammar checking
- ✦ Plagiarism detection
- ✦ Tone suggestions
✓ Free planFrom $12/mo(cheaper)30M+ users · est. 2009
Try Grammarly Free →Ratings Breakdown
ChatGPT
4.7/5 avg
G2 Score4.7/5
Capterra Score4.6/5
G2 Rating4.7/5
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
G2 Rating4.7/5
Quick Stats
Feature Comparison
ChatGPT uniquely offers AI text generation, Code assistance, Image generation. Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Both share 0 features.
Feature
ChatGPT
Grammarly
AI text generation
✓
✗
Code assistance
✓
✗
Image generation
✓
✗
Data analysis
✓
✗
Plugins/GPTs
✓
✗
API access
✓
✗
Voice mode
✓
✗
Web browsing
✓
✗
Conversational Flow Control
✓
✗
Personalized Learning Paths
✓
✗
Advanced Sentiment Mapping
✓
✗
Multi Language Support
✓
✗
Intelligent Summarization Tools
✓
✗
Customizable Tone Options
✓
✗
Contextual Understanding Engine
✓
✗
Grammar checking
✗
✓
Plagiarism detection
✗
✓
Tone suggestions
✗
✓
Style improvements
✗
✓
Browser extension
✗
✓
MS Office plugin
✗
✓
Mobile app
✗
✓
Team style guide
✗
✓
Total Features
15
8
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose ChatGPT if you need:
- ✓ AI text generation
- ✓ Code assistance
- ✓ Image generation
- ✓ Data analysis
- ✓ Plugins/GPTs
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
Pricing Comparison
Grammarly starts at $12/mo, 40% cheaper than ChatGPT's $20/mo.
ChatGPT Plans
Free tier available
Free
Free- • GPT-3.5
- • Limited GPT-4o
- • Basic features
PlusBest Value
$20/month- • GPT-4o
- • DALL-E 3
- • Advanced data analysis
- • Plugins
Team
$30/month- • Everything in Plus
- • Higher limits
- • Admin console
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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