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Pi vs Meta AI: catalog facts
Pi	Meta AI
No screenshots available	No screenshots available
Best for: People who want a friendly AI to talk problems through with	Best for: People who want an AI assistant inside the Meta apps they already use
Free Sign-up is free; the research does not mention paid plans.	Free Free to use.
Web	Web
Conversational tone suited to talking things through Runs in the browser with nothing to install All 3 strengths for Pi Conversational tone suited to talking things through Runs in the browser with nothing to install Free sign-up	Free to use Built into Facebook, Instagram and WhatsApp All 3 strengths for Meta AI Free to use Built into Facebook, Instagram and WhatsApp Runs on Meta's Llama models
Can make factual mistakes Aimed at conversation more than research or coding work All 3 limitations for Pi Can make factual mistakes Aimed at conversation more than research or coding work Hosted service; needs an internet connection	Runs only as an online service Tied closely to Meta's platforms
Web application	Web application
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Sources for Pi pi.ai Catalog checked September 23, 2026	Official website Full listing and sources Sources for Meta AI meta.ai Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.