open-athena/Snowball-67B-A2B-Step38-Science-SFT-Science-Forward-Step13161-2026.09.26
Partial fine-tune vs open-athena/Snowball-67B-A2B-5.7T-Mixed-RLVR-Step38. Partial change: 82% 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 168/208, Attention 92/130