FLUX.2 [klein] Base 4B is a compact 4-billion-parameter text-to-image model that delivers fast generation with quality results. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing.
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$0.01ต่อครั้ง·~100 / $1
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README
FLUX.2 Klein Base 4B Text-to-Image
FLUX.2 Klein Base 4B Text-to-Image is a lightweight yet capable text-to-image generation model. Describe your vision in text and get quality images with fast generation — the most affordable option in the FLUX.2 Klein family.
Why Choose This?
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Fast and affordable 4B parameter model optimized for quick turnaround at the lowest cost in the Klein series.
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Good prompt adherence Accurately interprets prompts to generate images that match your description.
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Flexible sizing Custom width and height controls for any aspect ratio.
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Prompt Enhancer Built-in tool to automatically improve your prompts for better results.
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Best value Ideal for rapid prototyping, batch processing, and budget-conscious projects.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Yes | Text description of the image you want to generate |
| width | No | Output width in pixels (default: 1024) |
| height | No | Output height in pixels (default: 1024) |
| seed | No | Random seed for reproducibility (-1 for random) |
How to Use
- Write your prompt — describe the image including subject, style, lighting, and mood.
- Set size — adjust width and height for your desired dimensions.
- Set seed — use -1 for random, or specify a number for reproducibility.
- Run — submit and download the generated image.
Pricing
| Item | Cost |
|---|---|
| Per image | $0.01 |
Simple flat-rate pricing regardless of image size.
Best Use Cases
- Rapid Prototyping — Quickly test ideas and concepts at minimal cost.
- Batch Generation — Lowest cost enables large-scale image production.
- Creative Exploration — Iterate on prompts without budget concerns.
- Drafts and Mockups — Generate initial visuals before refining with higher-tier models.
- Learning and Testing — Experiment with prompting techniques affordably.
Pro Tips
- Be specific in your prompts — include subject, style, lighting, colors, and atmosphere.
- Use the same seed to reproduce identical outputs or compare prompt variations.
- Start with 1024x1024 for balanced quality, adjust dimensions for specific needs.
- Need higher quality? Try FLUX.2 Klein Base 9B Text-to-Image.
- Need custom styles? Try FLUX.2 Klein Base 4B Text-to-Image LoRA.
Notes
- Most affordable option in the FLUX.2 Klein series.
- For best results, write detailed, descriptive prompts.
Related Models
- FLUX.2 Klein Base 4B Text-to-Image LoRA — With LoRA support for custom styles.
- FLUX.2 Klein Base 4B Edit — Image editing model.
- FLUX.2 Klein Base 9B Text-to-Image — Higher quality 9B version.
- FLUX.2 Pro — Flagship-quality text-to-image generation.