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Available now on ModelsLab · Image Generation

Flux Klien 9BSub-Second Image Generation

Try Flux Klien 9BAPI Documentation
Flux Klien 9B

Generate. Edit. Instantly.

Sub-Second Speed

4-Step Distilled

Flux Klein 9B delivers images in under 0.5s via 4 inference steps.

Unified Workflow

Text and Image-to-Image

Single model handles Flux Klein 9B image generation and multi-reference editing.

Photorealistic Output

Crisper Text Rendering

Produces detailed realism with legible text using Flux Klein 9B API.

Endpoints

Multiple endpoints, one model

Flux Klien 9B is available through 2 specialized endpoints. Choose the one that fits your workflow.

Flux Klein 9Bflux-klien-9BFlux Klein 9B Image To Imageflux-klien-9B-image-to-image

Examples

See what Flux Klien 9B can create

Copy any prompt below and try it yourself in the playground.

City Skyline

City Skyline

“Photorealistic city skyline at dusk, towering glass skyscrapers reflecting orange sunset light, bustling streets below with neon signs, high detail, cinematic lighting”

Mountain Landscape

Mountain Landscape

“Majestic snow-capped mountains under clear blue sky, alpine meadow with wildflowers in foreground, crystal lake reflecting peaks, sharp details, photorealistic”

Modern Architecture

Modern Architecture

“Sleek minimalist modern building with curved glass facade, surrounded by manicured gardens, golden hour sunlight casting long shadows, ultra high resolution”

Abstract Tech

Abstract Tech

“Futuristic circuit board patterns in neon blue and purple, glowing nodes and data streams, dark background, intricate details, cyberpunk aesthetic”

For Developers

A few lines of code.
Images. Four steps. Done.

ModelsLab handles the infrastructure: fast inference, auto-scaling, and a developer-friendly API. No GPU management needed.

  • Serverless: scales to zero, scales to millions
  • Pay per image, no minimums
  • Python and JavaScript SDKs, plus REST API
API Documentation 
import requests


response = requests.post(
    "https://modelslab.com/api/v6/images/text2img",
    json={
  "key": "YOUR_API_KEY",
  "prompt": "A highly detailed, ultra-realistic scene inside a modern McDonald’s restaurant. At the counter stands a friendly anthropomorphic creature resembling a furry monster or gentle beast. The creature has thick golden-brown fur, expressive round eyes, a wide flat nose, and a soft, friendly facial expression."
}
)
print(response.json())

FAQ

Common questions about Flux Klien 9B

Read the docs

Flux Klein 9B is a 9B parameter rectified flow transformer for text-to-image and image-to-image. It supports sub-second generation with 4-step distillation. Non-commercial use only.

Generates images in under 0.5s on modern GPUs. Optimized for real-time previews and low-latency apps. Matches larger models in quality.

Yes, unified text-to-image and image-to-image with multi-reference. Handles single or multiple image references. Ideal for interactive workflows.

Outperforms models 5x its size in speed-quality balance. Runs on 13GB+ VRAM consumer GPUs. Great for Flux Klein 9B alternative in production.

From 64x64 to 4 megapixels like 2048x2048. Dimensions must be multiples of 16. Outputs JPEG, PNG, WebP.

Use Flux Klein 9B and Flux Klein 9B Image To Image endpoints. Distilled for very low-latency inference. Integrate via simple API calls.

Ready to create?

Start generating with Flux Klien 9B on ModelsLab.

Try Flux Klien 9BAPI Documentation