Grammarly vs Notion AI
A 2026 side-by-side comparison of Grammarly and Notion AI — pricing, key features, platforms, API access, and the trade-offs of each, based on data collected from their official sites.
Grammarly
AI writing assistant for grammar, tone, and clarity
Notion AI
AI writing and knowledge assistant inside Notion
Tagline
AI writing assistant for grammar, tone, and clarity
AI writing and knowledge assistant inside Notion
Pricing
Freemium
Freemium
Rating
0.0 (0)
0.0 (0)
Platforms
WebMacWindowsiOSAndroidChrome
WebMacWindowsiOSAndroid
API
Yes
Yes
Open source
No
No
Description
Grammarly checks grammar, rewrites sentences, and generates drafts across every app.
Notion AI drafts, summarizes, and organizes content directly in your Notion workspace.
Key features
- Citation manager
- Outline mode
- Focus mode
- Voice fingerprinting
- SEO briefs
- Notion sync
- Team style guides
Pros
- 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
- 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
Cons
- 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
- 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
Pricing plans
- 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
- 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
Which one should you pick?
- Choose Grammarly if you need Citation manager.
- Choose Notion AI if you need Voice fingerprinting.
- On budget: Grammarly is freemium, Notion AI is freemium.