zm_config.json

{
  "library_name": "zeromodels",
  "zeromodels_version": "1.2.1",
  "model_module": "zeromodels.models.gemma4",
  "model_class": "Gemma4ConditionalGenerate",
  "variant": "gemma-4-e2b",
  "weights": "model.weights.json",
  "schema_version": 2,
  "weight_dtype": "bfloat16",
  "model_type": "gemma4",
  "text_config": {
    "vocab_size": 262144,
    "embed_dim": 1536,
    "mlp_dim": 6144,
    "num_layers": 35,
    "num_heads": 8,
    "num_kv_heads": 1,
    "num_global_kv_heads": 1,
    "head_dim": 256,
    "global_head_dim": 512,
    "k_eq_v": false,
    "enable_moe": false,
    "num_experts": 0,
    "num_experts_per_tok": 0,
    "moe_mlp_dim": 0,
    "sliding_window": 512,
    "sliding_window_pattern": 6,
    "layer_types": [
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention"
    ],
    "partial_rotary_factor": 0.25,
    "final_logit_softcapping": 30.0,
    "norm_eps": 1e-06,
    "rope_theta": 1000000.0,
    "rope_local_theta": 10000.0,
    "tie_embeddings": true,
    "hidden_size_per_layer_input": 256,
    "vocab_size_per_layer_input": 262144,
    "num_kv_shared_layers": 20,
    "use_double_wide_mlp": true
  },
  "vision_config": {
    "hidden_size": 768,
    "num_layers": 16,
    "num_heads": 12,
    "num_kv_heads": 12,
    "head_dim": 64,
    "intermediate_size": 3072,
    "patch_size": 16,
    "position_embedding_size": 10240,
    "pooling_kernel_size": 3,
    "rope_theta": 100.0,
    "eps": 1e-06,
    "standardize": false,
    "use_clipped_linears": true
  },
  "audio_config": {
    "hidden_size": 1024,
    "num_layers": 12,
    "num_heads": 8,
    "conv_channels": [
      128,
      32
    ],
    "conv_kernel_size": 5,
    "chunk_size": 12,
    "context_left": 13,
    "context_right": 0,
    "logit_cap": 50.0,
    "invalid_logits": -1000000000.0,
    "residual_weight": 0.5,
    "norm_eps": 1e-06,
    "output_proj_dims": 1536,
    "use_clipped_linears": true
  },
  "image_token_id": 258880,
  "video_token_id": 258884,
  "audio_token_id": 258881,
  "pad_token_id": 0,
  "use_bidirectional_vision": false
}