writing
Grammarly vs Jasper
A detailed side-by-side comparison to help you choose.
Grammarly
AI writing assistant that checks grammar, style, tone, and clarity across all platforms
8.0Excellent
Jasper
AI writing platform built for marketing teams to create on-brand content at scale
7.5Very Good
Our Verdict
We recommend Grammarly
Grammarly edges ahead with stronger scores in key areas.
Feature Comparison
| Feature | Grammarly | Jasper |
|---|---|---|
| API Access | ||
| Plugins / Extensions | ||
| Image Generation | ||
| Code Execution | ||
| File Upload | ||
| Web Search | ||
| Max Context Window | 16K tokens | 32K tokens |
Pricing Comparison
| Tier | Grammarly | Jasper |
|---|---|---|
| Free | Free Basic grammar and spelling corrections | $49 1 user, unlimited words, 1 Brand Voice |
| Premium | $30 Advanced style, clarity, tone, plagiarism detection | $69 1 user, 3 Brand Voices, collaboration features |
| Business | $25 Per user/month, brand tone, style guide, analytics | Free Custom pricing, unlimited Brand Voices, API |
Score Breakdown
| Dimension | Grammarly | Jasper |
|---|---|---|
| Ease of Use | 10.0 | 8.0 |
| Features | 7.0 | 8.0 |
| Value for Money | 7.0 | 6.0 |
| Support | 8.0 | 8.0 |
| Overall | 8.0 | 7.5 |
Pros & Cons
Grammarly
Pros
- +Works everywhere: browser, Word, Google Docs, Outlook
- +Real-time suggestions don't interrupt your writing flow
- +Tone detection helps match the right voice for your audience
- +Plagiarism checker integrated into premium plans
Cons
- −Premium plan is expensive relative to the feature set
- −Not a full AI writing assistant — focused on editing, not generation
- −Free tier is quite limited compared to competitors
Jasper
Pros
- +Purpose-built for marketing teams with brand voice training
- +Wide library of templates for ads, blogs, emails, and more
- +Integrates with Surfer SEO for optimized content
- +Strong collaboration features for content teams
Cons
- −Expensive compared to general-purpose AI assistants
- −No free tier makes it hard to evaluate before committing
- −Output quality varies and often needs human editing