axion 1.0 trains a 35B agent model with just two light SFT passes and RL

petrusenko_max · x · 2026-11-04

axion 1.0 builds a 35B agent model with a minimal three-stage recipe: two lightweight SFT passes followed by RL, with no mid-training, DPO, or OPD. If the results hold, those commonly assumed stages stop being mandatory and competition shifts to data quality — likely decided by the evals.

Related event: ByteDance and Partners Open-Source Axion 1.0-35B Agent Model with Full Training Recipe(4 posts)→

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