Criterion Meta AI Microsoft Copilot
CategoryAI Chatbots & AssistantsAI Chatbots & Assistants
In one sentenceMeta's assistant across WhatsApp, Instagram, Facebook, the Meta AI app and AI glasses, powered by Muse models.Microsoft's AI assistant, free on its own and built into Word, Excel, PowerPoint and Outlook through Microsoft 365 plans.
Problem it solvesPuts an assistant inside the messaging and social apps billions of people already use.Brings AI help into the Office apps people already use for documents, spreadsheets, slides and email.
Free planYesYes
Developer APIYes — docsNo
Open sourceNoNo
PlatformsWhatsApp, Instagram, Facebook, Messenger, Meta AI app, Web, Meta AI glassesWeb, Windows, iOS, Android, Microsoft 365 apps
Pricing (summary)Meta AI is free for everyday use. Meta One Core ($7.99/month) and Premium ($19.99/month) add more AI usage and image and video generation; creator and business bundles start at $14.99/month.
Checked 2026-10-19		The Copilot app is free with limited usage. Microsoft 365 Personal ($9.99/month), Family ($12.99/month) and Premium ($19.99/month) add Copilot in Office apps. Businesses can buy bundles with Copilot or a Copilot Business add-on per user.
Checked 2026-10-19
Strengths
  • Free inside widely used apps
  • Strong media generation features
  • Paid tiers are optional
  • Deep Office integration
  • Bundles storage and Office apps
  • Business add-on priced per user
Limitations
  • Meta One availability varies by country
  • Usage caps not published
  • API is a US-only public preview
  • Models used per plan are not named on pricing pages
  • Family plan AI features are owner-only
  • No AI features in Microsoft 365 Basic