{
  "model_type": "pivot",
  "architectures": [
    "PivotModel"
  ],
  "auto_map": {
    "AutoConfig": "configuration_pivot.PivotConfig",
    "AutoModel": "modeling_pivot.PivotModel"
  },
  "dsbt_config": {
    "backbone": {
      "encoder": "huggingface",
      "model_id": "LiquidAI/LFM2.5-Encoder-350M",
      "revision": "b886781f7c6f10ca9b7096e21b83e30a073c2f39",
      "trust_remote_code": true
    },
    "scorer": {
      "type": "mlp",
      "hidden_size": 1024
    },
    "data": {
      "k_min": 2,
      "k_max": 16,
      "max_context_tokens": 512,
      "max_option_tokens": 64,
      "noul_true": "true",
      "noul_false": "false",
      "split_ratios": [
        0.8,
        0.1,
        0.1
      ],
      "family_sample_caps": {
        "casehold": 0.15
      }
    },
    "train": {
      "epochs": 8,
      "warmup_epochs": 2,
      "min_pcgrad_epochs": 4,
      "batch_size": 64,
      "grad_accum": 1,
      "lr_encoder": 1e-05,
      "lr_scorer": 5e-05,
      "lr_schedule": "cosine",
      "lr_warmup_ratio": 0.05,
      "lr_min_ratio": 0.1,
      "weight_decay": 0.01,
      "grad_clip": 1.0,
      "precision": "bf16",
      "seed": 42,
      "decoupling": "pcgrad",
      "log_every": 100,
      "num_workers": 8,
      "early_stop_patience": 2,
      "lora": {
        "enabled": false
      }
    },
    "eval": {
      "k_strata": [
        2,
        4,
        8,
        16
      ],
      "ece_bins": 15,
      "batch_size": 128,
      "temperature_scaling": false
    },
    "brier": {
      "reduction": "mean_over_real_options"
    },
    "serving": {
      "max_context_tokens": 512,
      "max_option_tokens": 128
    }
  },
  "encoder_config": {
    "transformers_version": "5.17.0",
    "architectures": [
      "Lfm2BidirectionalForMaskedLM"
    ],
    "output_hidden_states": false,
    "return_dict": true,
    "dtype": "float32",
    "chunk_size_feed_forward": 0,
    "is_encoder_decoder": false,
    "id2label": {
      "0": "LABEL_0",
      "1": "LABEL_1"
    },
    "label2id": {
      "LABEL_0": 0,
      "LABEL_1": 1
    },
    "problem_type": null,
    "vocab_size": 65536,
    "hidden_size": 1024,
    "intermediate_size": 6656,
    "num_hidden_layers": 16,
    "num_attention_heads": 16,
    "num_key_value_heads": 8,
    "max_position_embeddings": 128000,
    "initializer_range": 0.02,
    "norm_eps": 1e-05,
    "use_cache": false,
    "pad_token_id": 0,
    "bos_token_id": 1,
    "eos_token_id": 7,
    "tie_word_embeddings": true,
    "rope_parameters": {
      "rope_theta": 1000000.0,
      "rope_type": "default"
    },
    "conv_bias": false,
    "conv_L_cache": 3,
    "block_multiple_of": 256,
    "block_ffn_dim_multiplier": 1.0,
    "block_auto_adjust_ff_dim": true,
    "full_attn_idxs": null,
    "layer_types": [
      "conv",
      "conv",
      "full_attention",
      "conv",
      "conv",
      "full_attention",
      "conv",
      "conv",
      "full_attention",
      "conv",
      "full_attention",
      "conv",
      "full_attention",
      "conv",
      "full_attention",
      "conv"
    ],
    "_name_or_path": "LiquidAI/LFM2.5-Encoder-350M",
    "block_dim": 1024,
    "block_mlp_init_scale": 1.0,
    "block_norm_eps": 1e-05,
    "block_out_init_scale": 1.0,
    "block_use_swiglu": true,
    "block_use_xavier_init": true,
    "conv_dim": 1024,
    "conv_dim_out": 1024,
    "conv_use_xavier_init": true,
    "model_type": "lfm2",
    "num_heads": 16,
    "use_pos_enc": true,
    "auto_map": {
      "AutoModel": "modeling_lfm2_bidirectional.Lfm2BidirectionalModel",
      "AutoModelForMaskedLM": "modeling_lfm2_bidirectional.Lfm2BidirectionalForMaskedLM"
    },
    "output_attentions": false
  },
  "pivot_training": {
    "selected_epoch": 7,
    "global_step": 18008,
    "method": "CE warmup -> live multiclass Brier + PCGrad",
    "probability_contract": "softmax(logits.float())"
  }
}