Why agents cost more than chat?

Each tool call is a full LLM round-trip with growing context. 1 user query → 5 LLM calls → response. Total tokens easily 10× a single-shot chat.

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Agent Step Cost Multiplier

1 user query × N agent steps = real cost

Steps per user query

Initial input tokens

Tokens added per step

Output tokens / step

Final output tokens

Queries / month

Input price ($/M)

Output price ($/M)

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