Why Meta CEO Mark Zuckerberg is unhappy with two of the biggest US AI companies

Meta CEO Mark Zuckerberg has attacked OpenAI and Anthropic, saying that thier controlled approach to AI amounts to "abandoning our values" in American tech. His 6,500-word essay "The Future is for Everyone" calls Anthropic's alignment thinking flawed and argues that labs hoarding frontier models pose the real danger, as Meta returns to open-weight AI with Muse Glimmer.