Grammarly vs Grok
Pricing, features, platforms and reader ratings, side by side.
| Grammarly |
|
|
|---|---|---|
| In one line | AI writing assistant for grammar, tone and rewrites | xAI's assistant with live X and web search plus image and video creation |
| Reader rating | — | — |
| Pricing model | Freemium | Freemium |
| Plans | Free: $0 / month Pro: $30 / month Superhuman Business: ~$40 / member/month Enterprise: Custom / custom |
Free: $0 / month X Premium: ~$8 / month SuperGrok Lite: ~$10 / month SuperGrok: ~$30 / month X Premium+: ~$40 / month SuperGrok Plus: ~$100 / month SuperGrok Heavy: ~$300 / month |
| Free plan or trial | No | No |
| Platforms | Web, iOS, Android | Web, iOS, Android, API |
| API | No | Yes |
| Open source | No | No |
| Key features | Grammar, spelling and clarity checks as you type Tone adjustment and full-sentence rewrites Works in browsers, apps and keyboards Plagiarism and AI-text detection on Pro Style guides and brand tones for teams AI agents through Superhuman Go Free plan with about 100 AI prompts a month |
Live search across X and the web Free tier with rate limits Image and video creation (Imagine) on paid plans Voice conversations Grok Build coding agent Multi-agent mode on top tiers Separate pay-per-token API |
| Integrations | — | X, API |
| Categories | Chat & Writing Assistants | Chat & Writing Assistants |
| Made by | Grammarly (Superhuman) (2009) | xAI (2023) |
| Try Grammarly | Try Grok |