Head-to-head
Cosmic vs Grammarly
Two leading ai writing & content tools, compared on pricing, features, and editorial fit. Updated for 2026.
Cosmic
Managed headless CMS for content teams running multiple sites and locales
From Free
Visit CosmicAt a glance
| Cosmic | Grammarly | |
|---|---|---|
| Tagline | Managed headless CMS for content teams running multiple sites and locales | 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 Cosmic if you need managed headless cms for content teams running multiple sites and locales. Pick Grammarly if you need ai writing assistance everywhere you write.
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Frequently asked
- Is Cosmic better than Grammarly?
- It depends on your use case. Cosmic is managed headless cms for content teams running multiple sites and locales, while Grammarly is ai writing assistance everywhere you write. See the comparison above for which fits your team.
- What's the price difference between Cosmic and Grammarly?
- Cosmic starts at Free. Grammarly starts at Free.
- Can I migrate from Cosmic to Grammarly?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.