{ "step": 19075, "val_loss": 1.6259081413888932, "val_ppl": 5.083033054470817, "params_M": 151.274, "pushed_at": "2026-08-16T19:41:01.107398", "tokens_seen": 79967283200, "architecture": "Rose X1", "features": [ "GQA", "QK-Norm", "RoPE", "SwiGLU", "RMSNorm", "XSA-RefreshGate" ], "optimizer": "muon_adamw" }