{
  "architectures": [
    "Ling3UBTreeModel"
  ],
  "attention_bias": false,
  "attention_dropout": 0.0,
  "block_size": 16,
  "bos_token_id": null,
  "dflash_config": {
    "block_size": 16,
    "contract": "flashflow_anchor_inclusive_v1",
    "mask_token_id": 156892,
    "num_target_layers": 24,
    "target_layer_ids": [
      4,
      8,
      12,
      16,
      22
    ]
  },
  "dflash_contract": "flashflow_anchor_inclusive_v1",
  "dtype": "bfloat16",
  "eos_token_id": 156895,
  "head_dim": 128,
  "hidden_act": "silu",
  "hidden_size": 1536,
  "initializer_range": 0.02,
  "intermediate_size": 4608,
  "layer_types": [
    "full_attention",
    "full_attention",
    "full_attention",
    "full_attention",
    "full_attention"
  ],
  "mask_token_id": 156892,
  "max_position_embeddings": 131072,
  "max_window_layers": 20,
  "model_type": "qwen3",
  "num_attention_heads": 16,
  "num_hidden_layers": 5,
  "num_key_value_heads": 16,
  "num_target_layers": 24,
  "pad_token_id": 156892,
  "partial_rotary_factor": 1.0,
  "rms_norm_eps": 1e-06,
  "rope_parameters": {
    "partial_rotary_factor": 1.0,
    "rope_theta": 6000000,
    "rope_type": "default"
  },
  "rope_theta": 6000000.0,
  "sliding_window": null,
  "target_layer_ids": [
    4,
    8,
    12,
    16,
    22
  ],
  "tie_word_embeddings": false,
  "transformers_version": "5.12.1",
  "ubtree_config": {
    "adds_unary_logits": true,
    "architecture": "cp",
    "candidate_k": 64,
    "candidate_source": "frozen_dflash_unary_topk_ids_only",
    "depth_condition_count": 15,
    "depth_conditioning": "unary_correction_two_scale",
    "depth_scale_parameterization": "exp_log_scale",
    "factorizer_hidden_width": 512,
    "hidden_projection_depth_count": 15,
    "hidden_projection_type": "shared",
    "inference_hidden_projection": "materialized_per_depth_affine",
    "kl_temperature": 1.0,
    "objective": "kl",
    "rank": 256,
    "target_embedding_dim": 1536,
    "token_factorizer": "target_embedding_mlp",
    "train_backbone": true,
    "trained": true,
    "training_mode": "joint_backbone_selector",
    "tree_budget": 64,
    "tree_builder": "pruned",
    "tree_depth_bonus": 0.0,
    "tree_supertree_width": 12,
    "type": "residual_bigram",
    "version": 1
  },
  "use_cache": true,
  "use_qk_norm": true,
  "use_sliding_window": false,
  "vocab_size": 157184
}