Criterion Notion AI QuillBot
CategoryAI Productivity ToolsAI Writing & Content Creation
In one sentenceAI built into Notion's workspace for writing, searching, meeting notes and running multi-step agent tasks across your pages.A suite of writing tools for paraphrasing, summarising, grammar checking and AI detection, popular with students.
Problem it solvesTeam knowledge is spread across many pages and apps, and turning it into drafts, summaries or answers takes manual effort.Rewording, condensing or checking text by hand is slow, especially for students and non-native writers.
Free planYesYes
Developer APIYes — docsNo
Open sourceNoNo
PlatformsWeb, Windows, macOS, iOS, AndroidWeb, Browser extension, Microsoft Word, Google Docs
Pricing (summary)Free and Plus include only a limited AI trial. Business ($24 per member monthly, $20 on annual billing) includes Notion Agent, AI Meeting Notes and Enterprise Search. Custom Agents are billed at $10 per 1,000 Notion credits.
Checked 2026-10-19
Free tier with word limits. Premium is shown at $8.33/month billed annually ($99.95/year); QuillBot's FAQ lists $19.95 for monthly billing. Team plans start at $7.50 per seat per month for 2-10 seats. Prices can vary by region.
Checked 2026-10-19
Strengths
  • AI grounded in your own workspace content
  • Broad feature set in one tool
  • Free Plus for students and educators
  • Generous free tier
  • Low-cost annual plan
  • Simple interface
Limitations
  • Full AI features (Agent, Meeting Notes, Enterprise Search) require Business or Enterprise
  • Custom Agents cost extra credits
  • Zero data retention with LLM providers only on Enterprise
  • Free paraphraser limited to 125 words and two modes
  • Prices vary by region
  • AI detection results are probabilistic