FLUX 2 Flex Image Generator

Generate and edit images with FLUX 2 Flex — text-to-image and image-to-image powered by Black Forest Labs.

FLUX 2 Flex

FLUX 2 Flex

Model

Flux 2 Flex

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Choose the width-to-height ratio for the generated image.

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Flux 2 FlexAuto
FLUX 2 Flex Examples
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Prompt used:

"Add the logo from image 1 onto the can in image 2"

Click images to view full size, or use the arrows to switch examples

What is FLUX 2 Flex

FLUX 2 Flex is a uniquely versatile model from Black Forest Labs that bridges text-to-image and image-to-image generation in a single workflow. Upload up to 4 reference images and FLUX 2 Flex will use them to guide composition, style, and content — or skip the upload entirely and generate from a prompt alone. The model automatically adapts aspect ratio to match your reference images, making it the ideal tool for product photography, style transfer, and creative retouching.

Step 1: Upload Reference Images (Optional)

Upload up to 4 reference images in jpeg, png, gif, or webp format. FLUX 2 Flex will use them to condition the output — matching style, composition, or content. Skip this step for pure text-to-image generation.

Step 2: Write Your Prompt

Describe what you want to create or how you want to transform the reference. With reference images loaded, guide the transformation with natural language — change backgrounds, styles, lighting, or subject details.

Step 3: Generate & Download

Hit Generate and your image is ready in seconds. Results are automatically saved to your gallery on Cloudflare R2 — ready to download or share instantly.

Why Choose FLUX 2 Flex

One model, two powerful modes — the most flexible image generator in the FLUX 2 lineup.

Text-to-Image & Image-to-Image

FLUX 2 Flex is the only FLUX 2 model that natively supports both modes in a single interface. Use it for pure generation or reference-guided transformation without switching tools.

Up to 4 Reference Images

Upload up to 4 reference images per generation. FLUX 2 Flex blends them into a coherent output — ideal for style transfer, product retouching, or multi-reference compositions.

Auto Aspect Ratio Matching

When reference images are provided, the model automatically matches the output aspect ratio to the input — no manual configuration needed, no cropping artifacts.

Fast Generation Mode

FLUX 2 Flex runs with go_fast enabled by default, delivering high-quality results significantly faster than standard inference — perfect for rapid creative iteration.

7 Aspect Ratios

Choose from 7 aspect ratios — 1:1, 16:9, 3:2, 2:3, 4:3, 3:4, and 9:16 — covering social, cinematic, portrait, and landscape formats for any platform.

Secure Cloud Storage

Every generated image is automatically uploaded to Cloudflare R2 and linked to your account. Your creations are safe, searchable, and accessible any time from your gallery.

FLUX 2 Pricing

Choose the perfect plan for your AI image generation needs. All plans include priority generation queue, image downloads, and ad-free experience.

Credits Package

$9.99 one-time
One-time purchase of 500 credits
Great for casual creators testing new ideas.

What's included

  • 500 Credits (One-time)
  • ≈50 Flux2pro images (one-time)
  • Credits never expire
  • Latest AI Models
  • High Quality Output
  • Full Commercial License
  • Priority Technical Support
  • Batch Download
Most Popular

Credits Package

$19.99 one-time
One-time purchase of 750 credits
Best value for agencies and professional workflows.

What's included

  • 750 Credits (One-time)
  • ≈125 Flux2pro images (one-time)
  • Credits never expire
  • Latest AI Models
  • High Quality Output
  • Full Commercial License
  • Priority Technical Support
  • Batch Download

Credits Package

$49.99 one-time
One-time purchase of 2100 credits
Perfect for high-volume production teams.

What's included

  • 2100 Credits (One-time)
  • ≈350 Flux2pro images (one-time)
  • Credits never expire
  • Latest AI Models
  • High Quality Output
  • Full Commercial License
  • Priority Technical Support
  • Batch Download