ChatGPT vs Grammarly
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
ChatGPT
ChatGPT edges out Grammarly with superior overall performance and features that make it the better choice for most users.
Try ChatGPTFeature Comparison
Feature
ChatGPT
Grammarly
Ratings
Overall Rating
4.7
4.6
Coding
4.5
-
Writing
4.6
4.8
Reasoning
4.5
4.0
Speed
4.7
5.0
Value
4.5
4.5
Pricing
Monthly Price
$20
$12
Free Tier
Input (per 1M tokens)
-
-
Output (per 1M tokens)
-
-
Features
Context Window
128K
50K
Vision/Images
Audio
Video
Code Generation
AI Agents
ChatGPT
Pros
- Largest user base and ecosystem
- Memory for personalization
- DALL-E 3 integration
- Voice mode available
- Free tier available
Cons
- Rate limits on free tier
- Less specialized than Claude for coding
Grammarly
Pros
- Works everywhere (browser, desktop, mobile)
- Excellent grammar and spelling
- Tone detection
- Plagiarism checker
- GrammarlyGO AI assistant
Cons
- Not for creative writing
- Premium features require subscription
- Can be overly corrective
Choose ChatGPT if you need:
General assistance, creative tasks, everyday use
Choose Grammarly if you need:
Grammar checking, professional emails, academic writing
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.