The era of 'benchmaxing'—where AI models cheat on tests they can't actually pass—is coming to an end. Kimi K2.5 has emerged with a 100-agent swarm architecture that actually delivers on its promises, challenging the dominance of Western titans like Google and OpenAI. While it still misses the finest aesthetic details, its ability to code entire games from a single prompt signals a massive shift in open-source power.