comfyui-workflows/optimized/image-edit/flux2klein-9b-photorealistic-character/README.md

Flux.2 Klein — photorealistic character conversion

Converts any supplied reference image into a photorealistic image of the same subject. The prompt is intentionally generic: identity, pose, clothing, accessories, colors, proportions, composition, and framing are inferred from the reference image rather than hard-coded.

Tested baseline

• Reference input: character_reference.png
• Model: flux-2-klein-9b-fp8mixed.safetensors
• Text encoder: qwen_3_8b_fp8mixed.safetensors (flux2)
• VAE: full_encoder_small_decoder.safetensors
• Sampler: Euler
• Steps: 4
• CFG: 1.0
• Seed: 20260921
• Measured runtime: approximately 89 seconds on the RTX 3070

Files:

• workflow.json — API-format prompt.
• ui-workflow.json — native ComfyUI web-editor workflow.