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Token Efficiency

Token Efficiency describes the ability to build dense, redundancy-free prompts: every word must earn its place by contributing to a better output. Negative signals on token efficiency include greetings, apologies, repetitions, and vague formulations that the AI cannot translate into concrete actions.

Definition

In the international prompting community, Token Efficiency is also important for economic reasons: AI model APIs are paid per token consumed. An organization with 100 employees using AI daily can save thousands of euros per year by optimizing token efficiency in their system prompts.

How it's used in Grace

In Grace, Token Efficiency and its Italian name Efficienza Token refer to the same evaluation dimension (weight: 5%). You can find your score for this dimension in the post-scenario breakdown. It is often the dimension that improves most naturally with practice: after 10-15 scenarios, most Grace users automatically write more concise prompts.

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