Flux 1 Dev

flux-1-dev
byBlack Forest Labs|Created May 26, 2025
Image Generation

Flux-1-Dev is an open-weight, non-commercial text-to-image model from Black Forest Labs, designed for high-quality image generation with a 12B parameter rectified flow transformer. It is optimized for research and creative experimentation.

Pricing

Pay-as-you-go rates for this model. More details can be found here.

Image

$0.01

Capabilities

Input Modalities

Text

Output Modalities

Image

Supported Parameters

Available parameters for API requests

Size

Usage Analytics

Token usage across the last 30 active days

Uptime

Reliability over the last 7 days

Throughput

Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI

client = OpenAI(base_url="https://api.naga.ac/v1", api_key="YOUR_API_KEY")

resp = client.images.generate(
    model="flux-1-dev",
    prompt="A white siamese cat",
    size="1024x1024",
    n=1,
    response_format="url",  # or "b64_json"
)
print(resp.data)  # array of images with url or b64_json