# Prompt Length Token Limits

### About Token Limits

Stable Diffusion automatically converts your prompt into "tokens," which are numerical values representing recognized words. Unfamiliar words are segmented into sub-words until understood. For instance, a term like "reddog" might be split into two tokens: "red" and "dog".\
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The maximum token limit for On-Device or "Relaxed" Supernet processing is 77, while the Fast Supernet allows up to 750 tokens. Longer prompts will be truncated. A red border around the prompt field indicates that the limit has been exceeded. Note that the token count includes both the Prompt and Style fields.

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