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Gemini vs Grammarly

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

Gemini Grammarly
In one line Google's AI assistant for research, writing and work inside Workspace AI writing assistant for grammar, tone and rewrites
Reader rating — —
Pricing model Freemium Freemium
Plans Free: $0 / month
Google AI Plus: Varies by region / month
Google AI Pro: $19.99 / month
Google AI Ultra: $100 / month
Google AI Ultra (top): $200 / month
Free: $0 / month
Pro: $30 / month
Superhuman Business: ~$40 / member/month
Enterprise: Custom / custom
Free plan or trial No No
Platforms Web, iOS, Android, API Web, iOS, Android
API Yes No
Open source No No
Key features Multimodal input: text, images, audio and video
Deep Research reports
Works inside Gmail, Docs, Sheets and Drive
Image and video generation on supported plans
Long-document analysis
NotebookLM and other Google AI tools
Usage limits based on compute, refreshed about every five hours
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
Integrations Gmail, Google Docs, Google Sheets, Google Drive —
Categories Chat & Writing Assistants Chat & Writing Assistants
Made by Google (1998) Grammarly (Superhuman) (2009)
Try Gemini Try Grammarly

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