Reading Xiaomi's MoE RL Release: Specialist Teachers Beat Big Mixed RL on Hard Tasks
tokenbender · x · 2026-09-22
tokenbender continues unpacking Xiaomi's MoE RL training report (section 6, MOPD2):
- Suspects this portion may have been completed earlier and wasn't part of the recent RL replay/live
- After large mixed RL, some tasks remain hard and better yields come from specialist teacher models
- The prefix-conditioned OPD approach is what the author calls 'guided RL'
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