Question 1

What is FLUX and how is its prompt style different?

Accepted Answer

FLUX.1 is an open-source image model from Black Forest Labs that uses a T5-XXL text encoder. Unlike Stable Diffusion or Midjourney, FLUX reads natural-language paragraphs — full sentences with grammar — far better than comma-separated keyword tags. Prompts like 'A red fox resting on a moss-covered log, lit by golden hour light' outperform tag-style lists.

Question 2

Does this tool generate images?

Accepted Answer

No. It only assembles the natural-language prompt text. Paste the result into ComfyUI, Replicate, fal.ai, SeaArt, Tensor.Art or the official FLUX playground to render. Nothing is uploaded to any server.

Question 3

Which FLUX variants are supported?

Accepted Answer

FLUX.1 [dev] (open-source, fine-tunable), FLUX.1 [schnell] (fast 1-4 step distilled) and FLUX.1 [pro] (highest quality commercial). All three read the same natural-language prompt style; the variant selector mainly affects UI defaults and copy labels.

Question 4

Should I use comma tags or full sentences?

Accepted Answer

Full sentences. FLUX's T5 encoder parses grammar, so prompt order matters: subject → framing → scene → lighting → lens → mood → style anchor. This tool stitches your selected chips into that order as a paragraph.

Question 5

Is the FLUX prompt generator free?

Accepted Answer

Yes — completely free, no signup, runs entirely in your browser. No prompt, image or usage data is ever sent to a server.