Criterion Microsoft 365 Copilot Otter.ai
CategoryEnterprise AutomationAI Productivity Tools
In one sentenceMicrosoft's AI assistant inside Word, Excel, PowerPoint, Outlook and Teams, grounded in your organisation's work data.An AI meeting assistant that transcribes calls live, writes summaries and action items, and answers questions across your meetings.
Problem it solvesKnowledge workers spend much of their day on email, meetings and documents that could be drafted or summarised automatically.Taking notes during meetings distracts participants and important decisions get lost.
Free planYesYes
Developer APIYes — docsYes
Open sourceNoNo
PlatformsWindows, macOS, Web, iOS, Android, Microsoft TeamsWeb, iOS, Android, Windows, macOS, Chrome extension
Pricing (summary)Copilot Chat is included with eligible Microsoft 365 plans. Microsoft 365 Copilot for enterprise is $30 per user/month paid yearly or $31.50 paid monthly (annual commitment). For small businesses, the Copilot Business add-on is $21 per user/month annually ($18 promotional first year through 31 Dec 2026) or $25.20 monthly, and bundles with Business Standard or Premium are available.
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
  • Deep integration with Microsoft 365
  • Enterprise security and permissions
  • Copilot Chat at no extra cost
  • Mature live transcription
  • Useful free tier
  • Student/teacher discount
Limitations
  • Requires a qualifying Microsoft 365 licence
  • Add-on cost per user
  • Trials require a credit card and convert to paid
  • Free plan limited to 30 minutes per conversation and 3 lifetime imports
  • API only on Enterprise
  • Language list not stated on homepage