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Grammarly vs Grok

Pricing, features, platforms and reader ratings, side by side.

Grammarly Grok
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

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