Meta's head of AI research steps down after eight years / Meta Cheated on AI Benchmarks and It's a Glimpse Into a New Golden Age / Meta Stock is Significantly Undervalued as it Launches Latest LLM / Meta unveils new AI model Llama 4 / Meta expands Instagram parental controls for teens and brings them to Facebook, Messenger / Meta introduces restricted Teen Accounts to Facebook and Messenger / Meta defends Llama 4 release against 'reports of mixed quality,' blames bugs / Meta's answer to DeepSeek is here: Llama 4 launches with long context Scout and Maverick models, and 2T parameter Behemoth on the way! / Meta's surprise Llama 4 drop exposes the gap between AI ambition and reality / Meta introduces Llama 4 with two new AI models available now, and two more on the way