Grammarly starts at $12/mo, 25% cheaper than Grok's $16/mo. Grammarly is rated higher at 4.7/5 vs Grok's 4.3/5.

AI writing assistant for grammar, clarity, and tone — works across all your apps.

AI assistant by xAI (Elon Musk) with real-time access to X/Twitter data and uncensored responses.


Independent analysis based on features, pricing, and user ratings
Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Grok uniquely offers Real-time X/Twitter data, Image generation, Code assistance. Both share 0 features.
Grammarly starts at $12/mo, 25% cheaper than Grok's $16/mo.

Free tier available