Notion AI vs Grammarly

Tagline

AI writing and knowledge assistant inside Notion

AI writing assistant for grammar, tone, and clarity

Category

Pricing

Rating

Platforms

API

Open source

Description

Notion AI drafts, summarizes, and organizes content directly in your Notion workspace.

Grammarly checks grammar, rewrites sentences, and generates drafts across every app.

Key features

• Voice fingerprinting
• SEO briefs
• Notion sync
• Team style guides

• Citation manager
• Outline mode
• Focus mode

Pros

• Native to your Notion workspace
• Summarize long documents
• Auto-generate action items
• Q&A across your workspace
• Writing help in every block
• Works inside Notion databases
• Multi-language support
• Simple pricing on top of Notion

• Real-time grammar checking
• Tone detection
• Plagiarism detection
• Rewriting suggestions
• Works across nearly every app
• Chrome, Edge, Word, Docs support
• Generative AI writing (GrammarlyGO)
• Enterprise security and SSO

Cons

• Extra cost on top of Notion
• Only useful inside Notion
• Outputs can feel generic
• No brand-voice fine-tuning
• Slower than dedicated writing tools
• Depends on your page structure
• Privacy concerns for sensitive docs
• Limited advanced prompting

• Free tier is limited
• Sometimes over-corrects
• Style suggestions can feel generic
• Weak on creative nuance
• Chrome extension is resource-heavy
• Weak on technical jargon
• Business plan is pricey
• Only English is fully supported

Pricing plans

• FreeEUR0/month
  • • For individuals to organize personal projects and life
  • • Trial AI capabilities like generating docs, or autofilling databases
  • • Basic forms
  • • Basic sites
• PlusEUR9.5/month
  • • For small teams and professionals to work together
  • • Everything in Free, and:
  • • Custom forms
  • • Custom sites
• BusinessEUR19.5/month
  • • For growing businesses to streamline teamwork
  • • Everything in Plus, and:
  • • Enterprise Search Beta
  • • Premium connections
• Enterprise—
  • • For organizations to operate with scalability, control, and security
  • • Everything in Business, and:
  • • Advanced security & controls
  • • Advanced connections
• Custom Agents—
  • • AI agents handle repetitive tasks autonomously, so your team doesn’t have to
  • • Free to try, then $10 per 1,000 monthly Notion credits

• FreeEUR0/month
  • • Write without mistakes
  • • See your writing tone
  • • Generate text with AI prompts
• ProEUR12
  • • Everything in Free, plus advanced writing features
  • • Adjust your writing tone
  • • Rewrite full sentences
  • • Catch accidental plagiarism
• Enterprise—
  • • Everything in Pro, plus enterprise features
  • • Enterprise-grade privacy and security
  • • Custom roles and permissions
  • • Dedicated support

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