Head-to-head
Grammarly vs Knowbo
Two leading ai writing & content tools, compared on pricing, features, and editorial fit. Updated for 2026.
At a glance
| Grammarly | Knowbo | |
|---|---|---|
| Tagline | AI writing assistance everywhere you write. | Custom AI chatbot trained on your website or sitemap |
| Pricing model | Freemium | Paid |
| Starts at | Free | $19/mo |
| Founded | 2009 | — |
| AI-native | ||
| Categories | AI Writing & Content | AI Writing & Content, Websites & CMS |
| Vendor claimed |
Quick take
Pick Grammarly if you need ai writing assistance everywhere you write. Pick Knowbo if you need custom ai chatbot trained on your website or sitemap.
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Frequently asked
- Is Grammarly better than Knowbo?
- It depends on your use case. Grammarly is ai writing assistance everywhere you write, while Knowbo is custom ai chatbot trained on your website or sitemap. See the comparison above for which fits your team.
- What's the price difference between Grammarly and Knowbo?
- Grammarly is free. Knowbo starts at $19/mo.
- Can I migrate from Grammarly to Knowbo?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.