open-athena/Snowball-67B-A2B-Step38-Science-SFT-Balanced-Step12891-2026.09.26

Partial fine-tune vs open-athena/Snowball-67B-A2B-5.7T-Mixed-RLVR-Step38. Partial change: 80% of the weights changed (attention, embeddings, lm_head, mlp, norms), in 26 of 26 layers.

Tensors changed: lm_head 1/1, Embeddings 2/4, Norms 89/159, MLP 167/208, Attention 93/130

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