{
  "architecture": "SparseLM",
  "vocab_size": 49152,
  "d_model": 1536,
  "n_layers": 16,
  "n_heads": 24,
  "n_kv_heads": 24,
  "ffn_hidden": 4096,
  "max_seq_len": 4096,
  "rope_theta": 10000.0,
  "gated_ffn": true,
  "l1_coeff": 0.0,
  "tie_embeddings": true,
  "qk_norm": true,
  "z_loss_coeff": 0.0001,
  "attn_mode": "dsa",
  "dsa_sparsify": false,
  "dsa_top_k": 2048,
  "dsa_local": 128,
  "dsa_indexer_heads": 4,
  "dsa_indexer_dim": 64,
  "dsa_index_loss_weight": 1.0,
  "dsa_block_size": 128,
  "dsa_index_rows": 256
}