{
  "_class_name": "UNet2DConditionModel",
  "_diffusers_version": "0.9.0.dev0",
  "_name_or_path": "hf-models/stable-diffusion-x4-upscaler/unet",
  "act_fn": "silu",
  "attention_head_dim": 8,
  "block_out_channels": [
    320,
    512,
    512,
    1024
  ],
  "center_input_sample": false,
  "cross_attention_dim": 1024,
  "down_block_types": [
    "DownBlock2D",
    "CrossAttnDownBlock2D",
    "CrossAttnDownBlock2D",
    "CrossAttnDownBlock2D"
  ],
  "downsample_padding": 1,
  "dual_cross_attention": false,
  "flip_sin_to_cos": true,
  "freq_shift": 0,
  "in_channels": 8,
  "layers_per_block": 2,
  "mid_block_scale_factor": 1,
  "norm_eps": 1e-05,
  "norm_num_groups": 32,
  "num_class_embeds": 1000,
  "only_cross_attention": [
    true,
    true,
    true,
    false
  ],
  "out_channels": 4,
  "sample_size": 128,
  "up_block_types": [
    "CrossAttnUpBlock2D",
    "CrossAttnUpBlock2D",
    "CrossAttnUpBlock2D",
    "UpBlock2D"
  ],
  "use_linear_projection": true
}