Grok 4 vs Grammarly
A detailed comparison to help you choose the right AI tool for your needs.
Feature Comparison
Feature
Grok 4
Grammarly
Ratings
Overall Rating
4.6
4.6
Coding
4.5
-
Writing
4.4
4.8
Reasoning
4.6
4.0
Speed
4.7
5.0
Value
4.3
4.5
Pricing
Monthly Price
$25
$12
Free Tier
Input (per 1M tokens)
$5
-
Output (per 1M tokens)
$15
-
Features
Context Window
256K
50K
Vision/Images
Audio
Video
Code Generation
AI Agents
Grok 4.1
Pros
- Real-time access to X (Twitter) data
- Best for current events and live data
- Strong coding (74.9% SWE-bench)
- Less filtered/censored responses
- 256K context window
Cons
- Requires X Premium+ subscription
- Less polished than competitors
- Limited enterprise features
- No free tier
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 Grok 4 if you need:
Current events, real-time data, social media analysis
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.