Criterion ChatGPT Meta AI
CategoryAI Chatbots & AssistantsAI Chatbots & Assistants
In one sentenceOpenAI's general-purpose AI assistant for chat, writing, coding, research and file work, built on OpenAI's GPT models.Meta's assistant across WhatsApp, Instagram, Facebook, the Meta AI app and AI glasses, powered by Muse models.
Problem it solvesGives people one place to draft text, answer questions, analyse files and get coding help without setting up any technical tools.Puts an assistant inside the messaging and social apps billions of people already use.
Free planYesYes
Developer APIYes — docsYes — docs
Open sourceNoNo
PlatformsWeb, Desktop app, Mobile appsWhatsApp, Instagram, Facebook, Messenger, Meta AI app, Web, Meta AI glasses
Pricing (summary)Free costs nothing; Go is $8/month and Plus $20/month. Pro comes in $100, $200 and $500 monthly tiers, and Business is $25/user/month monthly or $20/user/month billed annually (2+ users). Enterprise and Edu are priced through sales.
Checked 2026-10-19
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
Strengths
  • Wide range of tiers from free to $500/month
  • Single subscription spans chat and Codex
  • Large, documented model lineup
  • Free inside widely used apps
  • Strong media generation features
  • Paid tiers are optional
Limitations
  • Model names and rollout change often
  • Lower tiers may show ads
  • Help-centre pages give slightly inconsistent model naming during rollout
  • Meta One availability varies by country
  • Usage caps not published
  • API is a US-only public preview