GrammarlyFreemium
AI writing assistant for grammar, clarity, tone, and generative drafts across every app you write in.
AI / LLM comparison
Grammarly vs Notion AI
Pricing, pros, cons, and ideal use cases — side by side.
Notion AIPaid
AI built into Notion for writing SOPs, summarizing notes, and managing internal knowledge.
At a glance
| Grammarly | Notion AI | |
|---|---|---|
| Pricing | FreemiumFree plan available. Premium $12/month. Business from $15/seat/month. | PaidNotion AI add-on is $8/member/month on top of Notion plan. |
| Category | AI / LLM | AI / LLM |
| Ideal for | Any SMBLaw FirmsAgenciesCustomer Support TeamsProfessional Services | Any SMB using NotionLaw FirmsAgenciesRecruiters |
Pros & cons
Grammarly
Pros
- Works in every major app
- Strong brand voice features
- Tone detection is excellent
- Good generative AI drafts
Cons
- Browser extension can slow pages
- Plagiarism check is weaker than dedicated tools
- Advanced suggestions need premium
Notion AI
Pros
- Deeply integrated with Notion
- Great for knowledge bases
- Easy for non-technical teams
Cons
- Only works inside Notion
- Not for external customer-facing AI
Which should you choose?
Grammarly is the lighter-weight option (Freemium), while Notion AI sits higher on the pricing ladder (Paid). Grammarly is built around any smb; Notion AI leans more toward any smb using notion. Shortlist the one whose strengths line up with your biggest constraint.