Text to Image

Flux Dev

High-quality image generation with excellent prompt following.

Schema
Example
Example output

Sample output shown above. The prompt and settings are pre-filled on the left.

Your request will cost $0.012 per run. For $10 you can run this model approximately 833 times.

One more thing:

README

Black Forest Labs / Flux Dev β€” Text to Image (flux-dev)

FLUX.1 Dev from Black Forest Labs is a cutting-edge text-to-image model that excels at prompt following and generating high-quality, detailed images.

Highlights

  • β€’Excellent prompt following – Accurately interprets and renders complex prompts.
  • β€’High detail rendering – Produces sharp, detailed images with fine textures.
  • β€’Fast generation – Optimized for quick image generation without sacrificing quality.
  • β€’Flexible aspect ratios – Supports multiple output sizes and aspect ratios.

Parameters

  • β€’prompt* – Text description of the image to generate
  • β€’negative_prompt – Things to avoid in the image
  • β€’size – Output image resolution
    • β€’ 1024Γ—1024 (1:1)
    • β€’ 1152Γ—896 (4:3)
    • β€’ 896Γ—1152 (3:4)
    • β€’ 1216Γ—832 (3:2)
    • β€’ 832Γ—1216 (2:3)
  • β€’num_inference_steps – Number of denoising steps
  • β€’guidance_scale – Guidance scale for generation
  • β€’seed – Random seed for reproducibility

Pricing

$0.02 per generation

How to Use

  1. 1.Write a detailed prompt describing your desired image.
  2. 2.Optionally add a negative prompt to exclude unwanted elements.
  3. 3.Choose the output size and aspect ratio.
  4. 4.Adjust inference steps and guidance scale if needed.
  5. 5.Submit and download your generated image.

More Models to Try

β€’Digital artists: High-quality concept art and illustrations.
β€’Designers: Marketing materials and visual content.
β€’Content creators: Social media graphics and thumbnails.

Frequently Asked Questions

What is the Flux Dev API?
High-quality image generation with excellent prompt following.
How much does Flux Dev cost via API?
Flux Dev costs $0.0200 per generation through Renderful's API. No subscription required β€” pay only for what you use.
How do I use Flux Dev via API?
Sign up for a free Renderful API key, then send a POST request to the /v1/predictions endpoint with model "flux-dev". See the documentation at renderful.ai/docs for code examples in Python, JavaScript, and cURL.
What type of content does Flux Dev generate?
Flux Dev is a text to image model by Black Forest Labs. Key features include: 1024x1024, Fast generation, High quality.
Is the Flux Dev API fast?
Flux Dev has fast generation speed. Results are delivered via polling or webhook callback for seamless integration.