Criterion Fireflies.ai Otter.ai
CategoryAI Productivity ToolsAI Productivity Tools
In one sentenceAn AI notetaker that records, transcribes and summarises meetings in 100+ languages, with an API on every plan.An AI meeting assistant that transcribes calls live, writes summaries and action items, and answers questions across your meetings.
Problem it solvesMeeting knowledge is lost or hard to search, and manual note-taking is inconsistent.Taking notes during meetings distracts participants and important decisions get lost.
Free planYesYes
Developer APIYes — docsYes
Open sourceNoNo
PlatformsWeb, Windows, macOS, iOS, Android, Chrome extensionWeb, iOS, Android, Windows, macOS, Chrome extension
Pricing (summary)Free plan with unlimited transcription and 400 minutes of storage per team. Pro is $18 per seat monthly or $10 annually; Business $29 monthly or $19 annually. Enterprise is $39 per seat per month, annual only.
Checked 2026-10-19
Basic is free with 300 minutes a month. Pro is $16.99/user monthly or $8.33 on annual billing; Business is $30 monthly or $19.99 annually. Enterprise is custom; .edu users get 20% off Pro.
Checked 2026-10-19
Strengths
  • API available on all plans
  • Broad language support
  • Competitive annual pricing
  • Mature live transcription
  • Useful free tier
  • Student/teacher discount
Limitations
  • Free storage limited to 400 minutes per team
  • Free AI summaries limited
  • Enterprise is annual only
  • Free plan limited to 30 minutes per conversation and 3 lifetime imports
  • API only on Enterprise
  • Language list not stated on homepage