{
  "display_name": "FLUX.2 Klein 4B - Base",
  "model_name": "FLUX.2 Klein 4B",
  "version": "Base",
  "architecture": "flux2",
  "family": "flux2_klein",
  "author": "Black Forest Labs",
  "description": "4B parameter base Flux 2 model. Undistilled — full quality, better for LoRAs and fine-tuning. Apache 2.0 licensed. Uses Qwen3-4B text encoder.",
  "license": "Apache 2.0",
  "tags": [
    "flux2",
    "klein",
    "4B",
    "base",
    "quality",
    "consumer"
  ],
  "url": "https://huggingface.co/black-forest-labs/FLUX.2-klein-base-4B",
  "release_date": "2026-01-14",
  "tag_sources": [],
  "tag_format": "spaces",
  "prompt_style": "natural",
  "trigger": "",
  "default_prompt_id": "flux2-klein-photography",
  "negative": "",
  "notes": "CFG 5.0, 20-50 steps, Euler. Base undistilled — use for quality and LoRA compatibility.",
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      "label": "Diffusion Model",
      "folder": "diffusion_models",
      "variants": [
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            "repo": "Comfy-Org/vae-text-encorder-for-flux-klein-4b",
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            "repo": "black-forest-labs/FLUX.2-klein-base-4b-fp8",
            "path": "flux-2-klein-base-4b-fp8.safetensors"
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      "label": "Text Encoder (Qwen3-4B)",
      "folder": "text_encoders",
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          "filename": "qwen_3_4b.safetensors",
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            "path": "split_files/text_encoders/qwen_3_4b.safetensors"
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            "repo": "Comfy-Org/vae-text-encorder-for-flux-klein-4b",
            "path": "split_files/text_encoders/qwen_3_4b_fp4_flux2.safetensors"
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    {
      "label": "VAE",
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      "filename": "flux2-vae.safetensors",
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      "cfg": 5.0,
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      "scheduler": "beta",
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    "FluxGuidance": {
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      "guidance_range": [
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    "Flux2Scheduler": {
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    },
    "EmptyFlux2LatentImage": {
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      "height": 1024,
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}