Grammarly vs Writesonic
A detailed side-by-side comparison to help you choose.
Grammarly
AI writing assistant that checks grammar, style, tone, and clarity across all platforms
Writesonic
AI writing platform for blogs, ads, landing pages, and SEO-optimized marketing content at scale
Our verdict
We recommend Grammarly
Both tools are excellent choices, but Grammarly has a slight edge in our overall scoring.
Feature Comparison
| Feature | Grammarly | Writesonic |
|---|---|---|
| API Access | ||
| Plugins / Extensions | ||
| Image Generation | ||
| Code Execution | ||
| File Upload | ||
| Web Search | ||
| Max Context Window | 16K tokens | 32K tokens |
Pricing Comparison
| Tier | Grammarly | Writesonic |
|---|---|---|
| Free | Free Basic grammar & spelling, 100 AI prompts/month | $99 15 AI articles/month, 1 seat; $79/mo billed annually |
| Pro | $30 2,000 AI prompts/month, full rewrites, plagiarism & AI detection; $12/mo billed annually | $249 25 AI articles/month, 2 seats; audits up to 1,200 pages; $199/mo billed annually |
| Superhuman Business | $40 Email + writing suite, style guides, analytics; $33/member/mo billed annually | $499 50 AI articles/month, 3 seats, sentiment analysis, Action Center; $399/mo billed annually |
| Enterprise | Free Custom pricing; SSO/SAML, SCIM, BYOK, dedicated support | Free Custom pricing; expanded platform coverage, agency plans |
Score Breakdown
| Dimension | Grammarly | Writesonic |
|---|---|---|
| Ease of Use | 10.0 | 8.0 |
| Features | 7.0 | 8.0 |
| Value for Money | 7.0 | 8.0 |
| Support | 8.0 | 7.0 |
| Overall | 8.0 | 7.8 |
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
Writesonic
Pros
- +100+ content templates covering ads, blogs, emails, and more
- +Chatsonic provides real-time web search in chat interface
- +Built-in SEO checker and keyword optimization
- +Bulk content generation saves time for agencies
Cons
- −Output quality varies — editing still required
- −Interface can feel overwhelming with so many templates
- −AI image generation quality lags behind dedicated tools