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🟢 Weighted Terms

Some models (Stable Diffusion, Midjourney, etc.) allow you to weight terms in a prompt. This can be used to emphasize certain words or phrases in the generated image. It can also be used to de-emphasize certain words or phrases in the generated image. Let's consider a simple example:

Example

Here are a few mountains generated by Stable Diffusion, with the prompt mountain.

However, if we want mountains without trees, we can use the prompt mountain | tree:-10. Since we weighted tree very negatively, they do not appear in the generated image.

Weighted terms can be combined into more complicated prompts, like A planet in space:10 | bursting with color red, blue, and purple:4 | aliens:-10 | 4K, high quality

Notes​

Read more about weighting in some of the resources at the end of this chapter.