Grammarly
Grok
| Feature | Grammarly | Grok |
|---|---|---|
| Pricing | Free / from $12/mo | Free / from $22/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4 / 5 |
| Best For | writers, students, professionals, non-native-speakers | x-users, researchers, news-junkies, content-creators |
| Founded | 2009 | 2023 |
| Grammar | ✓ | ✗ |
| Spelling | ✓ | ✗ |
| Tone | ✓ | ✗ |
| Clarity | ✓ | ✗ |
| Plagiarism | ✓ | ✗ |
| Browser Extension | ✓ | ✗ |
| Chat | ✗ | ✓ |
| Web Search | ✗ | ✓ |
| X Integration | ✗ | ✓ |
| Deep Search | ✗ | ✓ |
| Image Generation | ✗ | ✓ |
| Image Understanding | ✗ | ✓ |
| Code Generation | ✗ | ✓ |
✓ Grammarly Pros
- Works everywhere
- Clear suggestions
- Tone detection
- Plagiarism checker
✗ Grammarly Cons
- Premium is pricey
- Can over-correct
- Privacy concerns
✓ Grok Pros
- Real-time access to X posts and trending topics
- Less restrictive content policies than competitors
- DeepSearch for thorough multi-step research
- Image understanding and generation included
✗ Grok Cons
- Requires X Premium+ for full access
- Can produce inaccurate or biased outputs
- Smaller model compared to GPT-4 or Claude
The Verdict
Grammarly is built for writers and students, with a focus on grammar and spelling. Grok targets x users and researchers and leads with chat and web-search.
On pricing, Grammarly is the clear winner for budget-conscious users — starting at $12/mo compared to $22/mo for Grok. That $10/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Grammarly edges out on user ratings (4.5 vs 4). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Feature-wise, Grok offers broader built-in capabilities (7 features vs 6), while Grammarly takes a more focused approach — which can mean a simpler, faster onboarding experience.
Bottom line: Grammarly has a slight overall edge — but if real-time access to x posts and trending topics matters most to you, Grok may still be the right call.
