LFM2.5 training details: MOPD and agentic RL are the two most interesting stages
SergioPaniego · x · 2026-08-04
In LFM2.5-2.6B training, the two most interesting stages: MOPD (student generates, each prompt routes to domain teacher for token-level feedback, teachers branch from same SFT checkpoint, signal close to student distribution) and agentic RL (multi-turn GRPO in real harnesses, one sandbox per rollout, proxy captures token-level trajectories while harness stays black box).
Related event: LFM2.5-2.6B Released: Small Model Beats Larger Counterparts(3 posts)→
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