Head-to-head
B12 vs Grammarly
Two leading ai writing & content tools, compared on pricing, features, and editorial fit. Updated for 2026.
At a glance
| B12 | Grammarly | |
|---|---|---|
| Tagline | AI website builder for sites, stores, and web apps | AI writing assistance everywhere you write. |
| Pricing model | Freemium | Freemium |
| Starts at | Free | Free |
| Founded | — | 2009 |
| AI-native | ||
| Categories | AI Writing & Content, Websites & CMS | AI Writing & Content |
| Vendor claimed |
Quick take
Pick B12 if you need ai website builder for sites, stores, and web apps. Pick Grammarly if you need ai writing assistance everywhere you write.
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Frequently asked
- Is B12 better than Grammarly?
- It depends on your use case. B12 is ai website builder for sites, stores, and web apps, while Grammarly is ai writing assistance everywhere you write. See the comparison above for which fits your team.
- What's the price difference between B12 and Grammarly?
- B12 starts at Free. Grammarly starts at Free.
- Can I migrate from B12 to Grammarly?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.