# Mercurial Dyson: Disassembling Mercury

> Published 2026-04-03 · https://www.promptzone.com/mauricio_hassan/mercurial-dyson-disassembling-mercury-3nn3

Black Forest Labs' latest release, **FLUX.2 [klein]**, introduces a compact model series for real-time local image generation and editing, marking a significant advancement in accessible AI tools.


> **Model:** FLUX.2 [klein] | **Parameters:** 4B / 9B | **Speed:** 0.3-0.5s per image  
> **VRAM:** 8.4 GB (4B) / 19.6 GB (9B) | **License:** Apache 2.0 (4B) / Non-commercial (9B)

## Sub-Second Generation on Consumer GPUs

The 4B variant generates **1024x1024 images in under one second**, achieving speeds 30% faster than competing local solutions. It operates on an **RTX 4070 or 3090** without requiring custom optimizations, making it ideal for everyday hardware. The 9B model prioritizes photorealism over the 4B's speed, while both support seamless text-to-image generation and direct editing.

| Feature      | FLUX.2 klein 4B | FLUX.2 klein 9B | Qwen-Image-Edit |
|--------------|-----------------|-----------------|-----------------|
| Speed       | 0.3s           | 0.5s           | ~2s            |
| VRAM        | 8.4 GB         | 19.6 GB        | 20+ GB         |
| Editing     | Yes            | Yes            | Yes            |
| License     | Apache 2.0     | Non-commercial | Open           |


![Mercurial Dyson: Disassembling Mercury](https://v3b.fal.media/files/b/0a94d040/kPwKHdPfTkq7HM6_9XVzW_E3b6YAuU.jpg)

## Why This Matters for Local Workflows

Local tools like Qwen-Image require **12-16 GB VRAM** for text-to-image tasks, but integrated editing has been slower and less efficient. Qwen-Image-Edit, with its **20B parameters**, previously took around 2 seconds per operation, limiting real-time applications. FLUX.2 [klein] addresses this by combining generation and editing in one model that runs in under a second, enabling developers to build responsive creative software.

> **Bottom line:** First model to deliver both generation and editing under one second on consumer hardware.

{% details "Where to access" %}
- **Hugging Face:** [black-forest-labs/FLUX.2-klein](https://huggingface.co/black-forest-labs)  
- **API:** Available via BFL API with dedicated pricing  
- **[ComfyUI](/jaroslav/how-to-install-and-run-sdxl-models-in-comfyui-a-complete-guide-2nk2):** Community nodes already available  
{% enddetails %}