Meta to spend up to $65B this year to power AI goals, Zuckerberg says
reuters.com
reuters.com
I think they're just trying different things. For example, they're putting Llama in Instagram DMs, Whatsapp, and Facebook. I never use them but I can see how people who can't afford the ChatGPT subscription might.
So I'm guessing they want those apps to turn into ChatGPT at some point. Maybe they'll target ads to you based on chat history eventually.