black_forest_labs/flux-image-upscaler/Released Aug 2026

FLUX Image Upscaler

Detail-preserving image upscaling up to 4x

Commercial use

Image

Ready to build with FLUX Image Upscaler?

bash

curl -sSf -X POST https://hub.oxen.ai/api/ai/images/edit \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "flux-image-upscaler",
  "input_image": "https://hub.oxen.ai/api/repos/ox/Oxen-AI-Assets/file/main/images/ox_zoom_out_1926_1076.png",
  "upscale_factor": 2,
  "creativity": 0.3,
  "num_inference_steps": 20
}'