FLUX.2 [klein] Base 4B

flux-2-klein-base-4b/text-to-image

FLUX.2 [klein] Base 4B is a compact text-to-image foundation model with 4B parameters, built for fast generation, flexible sizing, seed control, and LoRA-ready workflows.

Generation

Open in Studio Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Per image: $0.011Same price for all 7 options

Details

Provider: Black Forest Labs
Added: May 18, 2026

Options

Parameters this model accepts.

Resolutions: 1024*1024
1280*720
720*1280
1536*1024
1024*1536
1536*1536
Images per request: Up to 4
Input images: Up to 3
Input image formats: PNG, JPEG, WEBP
Max input image size: 30 MB

Use it from the API

Replace $HIDE_API_KEY with a key from the Developers page. Base URL https://hide.st/api/v1.

curl https://hide.st/api/v1/images/generations \
  -H "Authorization: Bearer $HIDE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "flux-2-klein-base-4b/text-to-image",
    "prompt": "A lighthouse on a rocky coast at dusk, oil painting",
    "n": 1
  }'

Pricing

Details

Options

Use it from the API

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