Egor Urvanov

Token

Model and prompts

A unit of text an LLM counts: roughly a syllable or a short word. The token count sets the price of a request and how much fits into context.

phraseFixthefailingtest= 5 tokensthe split is illustrative: it depends on the modelwindowlimitdid not fitrequest price ≈ token count● model, people, systems, data  ● agent and harness  ● risk, stop, boundaryText is cut into tokens; their count sets the price and what fits into the window

Source: Anthropic: Token counting

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