Gemini 3 vs Grammarly
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
Gemini 3 Pro
Gemini 3 Pro edges out Grammarly with superior overall performance and features that make it the better choice for most users.
Try Gemini 3Feature Comparison
Feature
Gemini 3
Grammarly
Ratings
Overall Rating
4.8
4.6
Coding
4.7
-
Writing
4.5
4.8
Reasoning
4.8
4.0
Speed
4.7
5.0
Value
5.0
4.5
Pricing
Monthly Price
$20
$12
Free Tier
Input (per 1M tokens)
$1.25
-
Output (per 1M tokens)
$5
-
Features
Context Window
1049K
50K
Vision/Images
Audio
Video
Code Generation
AI Agents
Gemini 3 Pro
Pros
- Best value - cheapest premium model
- Massive 1M+ token context
- First model to hit 1500 Elo
- True multimodal (video, audio, text, images)
- Excellent for large codebases
Cons
- Writing style less polished than Claude
- Google ecosystem integration can be limiting
- Deep Think mode limited to Ultra subscribers
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 Gemini 3 if you need:
Large projects, budget-conscious users, multimodal tasks
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.