'Ox is coming'? That's the vibe around OpenRouter's newest anonymous model drop. Meet Ox Alpha — a frontier model aimed at coding, long-horizon agent work, and real-world production workloads. It comes with a 1 million token context window and accepts text, image, and video inputs. For now, it's free to poke at, and the unnamed provider says it won't train on your prompts or outputs. Nobody's officially confirmed who made Ox Alpha, but the rumor mill has settled on Xiaomi's MiMo team. Xiaomi CFO Lin Shiwei has already teased that a new MiMo model is training and could land soon.…