Xiaomi's AI lab is training its next model in public. The page at mimo.xiaomi.com/rl shows two reinforcement-learning runs for MiMo 2.6 "read directly from the trainer's logs": pass rates, data mix, restarts with the operators' reasons, and a cost counter that passed one million dollars on Thursday. If you have only ever seen a model through its launch blog, this is the part the launch blog leaves out. TL;DR Xiaomi is streaming two RL post-training runs: MiMo 2.6 P...