awesome-genmedia Flux 2 | Klein | 4B | Text to Image
Generate images from text prompts using the enhanced Flux 2 Klein 4B model with classifier-free guidance and acceleration support. Balances speed and quality with configurable parameters.
Quick Start
Requires an each::labs API key. Get one at eachlabs.ai.
curl -X POST https://api.eachlabs.ai/v1/prediction \
-H "Content-Type: application/json" \
-H "X-API-Key: $EACHLABS_API_KEY" \
-d '{
"model": "flux-2-klein-4b-text-to-image",
"version": "0.0.1",
"input": {
"prompt": "A steampunk airship flying over Victorian London at dusk",
"image_size": "landscape_4_3",
"guidance_scale": 5,
"num_inference_steps": 4,
"output_format": "png"
}
}'
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
| acceleration | string | regular | The acceleration level to use for image generation. Options: none, regular, high |
| enable_safety_checker | boolean | true | If set to true, the safety checker will be enabled. |
| guidance_scale | number | 5 | Guidance scale for classifier-free guidance. |
| image_size | string | landscape_4_3 | The size of the image to generate. Options: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9 |
| negative_prompt | string | - | Negative prompt for classifier-free guidance. Describes what to avoid in the image. |
| num_images | integer | 1 | The number of images to generate. |
| num_inference_steps | integer | 4 | The number of inference steps to perform. |
| output_format | string | png | The format of the generated image. Options: jpeg, png, webp |
| prompt | string | - | The prompt to generate an image from. |
| seed | integer | - | The seed to use for the generation. If not provided, a random seed will be used. |
Examples
Fast generation with high acceleration:
curl -X POST https://api.eachlabs.ai/v1/prediction \
-H "Content-Type: application/json" \
-H "X-API-Key: $EACHLABS_API_KEY" \
-d '{
"model": "flux-2-klein-4b-text-to-image",
"version": "0.0.1",
"input": {
"prompt": "A cute robot serving coffee in a diner, retro style",
"acceleration": "high"
}
}'
Detailed generation with negative prompt:
curl -X POST https://api.eachlabs.ai/v1/prediction \
-H "Content-Type: application/json" \
-H "X-API-Key: $EACHLABS_API_KEY" \
-d '{
"model": "flux-2-klein-4b-text-to-image",
"version": "0.0.1",
"input": {
"prompt": "Oil painting of a stormy seascape with a lighthouse, dramatic clouds",
"negative_prompt": "blurry, flat, cartoon, text, watermark",
"guidance_scale": 7.5,
"num_inference_steps": 8,
"image_size": "landscape_16_9",
"output_format": "jpeg",
"seed": 2024
}
}'
Related Models
- Flux 2 | Klein | 4B | Edit - Edit images with the same 4B model
- Flux 2 | Klein | 4B | Base | Text to Image - Base variant without guidance
- Flux 2 | Klein | 9B | Base | Text to Image - Higher quality 9B variant