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Prompting & Prompt Weighting in Diffusers
Hugging Face April 23, 2026
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Official Hugging Face documentation on prompt weighting techniques in the Diffusers library, covering Compel syntax, numerical weights, blend operations, and conjunction prompts for advanced control over generation.
Prompt
Hugging Face Diffusers Prompt Weighting:
1. **Compel Syntax**: Use the Compel library for precise prompt weighting
2. **Numerical Weights**: ("keyword")1.5 for emphasis in Compel
3. **Blend Operations**: Combine multiple prompts with weighted blending
4. **Conjunction Prompts**: Generate images that satisfy multiple conditions simultaneously
5. **Per-Token Control**: Weight individual tokens differently within a prompt
6. **Pipeline Integration**: Works with StableDiffusionPipeline and StableDiffusionXLPipeline
```python
from compel import Compel
compel = Compel(tokenizer=pipe.tokenizer, text_encoder=pipe.text_encoder)
prompt_embeds = compel("a cat++ playing with a ball--")
```How to Use
Install the Compel library and use it with Hugging Face Diffusers pipelines for precise per-token weight control in your Python code.
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