Arena CEO @ml_angelopoulos on why he's calling the recent open source releases the "Chinese invasion": "I'm starting to call this the Chinese invasion, because it is just a slew of Chinese open source models that are frontier level." "If you look across the arena leaderboards, the Qwen Max model that was just released is roughly between the Anthropic models and the OpenAI models. It's like Anthropic models, a stack of them, then Qwen." "There's this dynamic, America versus China, that the…