config.json

{
  "architectures": [
    "Gemma3ForConditionalGeneration"
  ],
  "boi_token_index": 255999,
  "dtype": "bfloat16",
  "eoi_token_index": 256000,
  "eos_token_id": [
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  ],
  "image_token_index": 262144,
  "initializer_range": 0.02,
  "mm_tokens_per_image": 256,
  "model_type": "gemma3",
  "quantization_config": {
    "include_input_output_embeddings": false,
    "modules_to_not_convert": null,
    "quant_method": "torchao",
    "quant_type": {
      "default": {
        "_data": {
          "activation_dtype": {
            "_data": "float8_e4m3fn",
            "_type": "torch.dtype"
          },
          "activation_value_lb": null,
          "activation_value_ub": null,
          "granularity": [
            {
              "_data": {},
              "_type": "PerRow",
              "_version": 1
            },
            {
              "_data": {},
              "_type": "PerRow",
              "_version": 1
            }
          ],
          "kernel_preference": {
            "_data": "AUTO",
            "_type": "KernelPreference"
          },
          "mm_config": {
            "_data": {
              "emulate": false,
              "pad_inner_dim": false,
              "use_fast_accum": true
            },
            "_type": "Float8MMConfig",
            "_version": 1
          },
          "set_inductor_config": true,
          "weight_dtype": {
            "_data": "float8_e4m3fn",
            "_type": "torch.dtype"
          }
        },
        "_type": "Float8DynamicActivationFloat8WeightConfig",
        "_version": 2
      }
    },
    "quant_type_kwargs": {},
    "untie_embedding_weights": false
  },
  "text_config": {
    "_sliding_window_pattern": 6,
    "attention_bias": false,
    "attention_dropout": 0.0,
    "attn_logit_softcapping": null,
    "dtype": "bfloat16",
    "final_logit_softcapping": null,
    "head_dim": 128,
    "hidden_activation": "gelu_pytorch_tanh",
    "hidden_size": 5376,
    "initializer_range": 0.02,
    "intermediate_size": 21504,
    "layer_types": [
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      "sliding_attention",
      "full_attention",
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      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
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      "sliding_attention",
      "sliding_attention",
      "full_attention",
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      "sliding_attention",
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      "sliding_attention",
      "full_attention",
      "sliding_attention",
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      "full_attention",
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      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
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      "full_attention",
      "sliding_attention",
      "sliding_attention",
      "sliding_attention",
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      "full_attention",
      "sliding_attention",
      "sliding_attention"
    ],
    "max_position_embeddings": 131072,
    "model_type": "gemma3_text",
    "num_attention_heads": 32,
    "num_hidden_layers": 62,
    "num_key_value_heads": 16,
    "query_pre_attn_scalar": 168,
    "rms_norm_eps": 1e-06,
    "rope_local_base_freq": 10000.0,
    "rope_scaling": {
      "factor": 8.0,
      "rope_type": "linear"
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    "rope_theta": 1000000.0,
    "sliding_window": 1024,
    "use_cache": true,
    "vocab_size": 262208
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  "transformers_version": "4.56.1",
  "vision_config": {
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    "dtype": "bfloat16",
    "hidden_act": "gelu_pytorch_tanh",
    "hidden_size": 1152,
    "image_size": 896,
    "intermediate_size": 4304,
    "layer_norm_eps": 1e-06,
    "model_type": "siglip_vision_model",
    "num_attention_heads": 16,
    "num_channels": 3,
    "num_hidden_layers": 27,
    "patch_size": 14,
    "vision_use_head": false
  }
}