{
  "step": 669,
  "val_loss": 2.058673143386841,
  "mmlu_acc": 0.263671875,
  "arc_easy_acc": 0.2470703125,
  "model_config": {
    "sequence_len": 2048,
    "vocab_size": 65536,
    "n_layer": 4,
    "n_head": 2,
    "n_kv_head": 2,
    "n_embd": 256
  }
}