black_forest_labs/black-forest-labs-flux-2-klein-4b/Released Jan 2026

FLUX.2 Klein 4B

Compact, fast text-to-image model

Fine-tunable

Provider

black_forest_labs

Modality

Image

Released

Jan 2026

Pricing

$0.01 / image

Ready to build with FLUX.2 Klein 4B?

bash

curl -sSf -X POST https://dev.hub.oxen.ai/api/images/edit \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "black-forest-labs-flux-2-klein-4b",
  "prompt": "A cat sitting on a chair",
  "aspect_ratio": "16:9",
  "output_quality": "standard",
  "output_format": "png",
  "num_inference_steps": 28,
  "guidance_scale": 2
}'