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How do you count token cost for long-running agents: raw context or billed tokens?

I'm trying to work out how people measure the cost of agents that carry long sessions. Some teams count the context tokens they assemble before each call. Others count what the provider actually bills, which also includes the system prompt, tool definitions, the user question and any retries. The t…

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  1. 2026-09-28 08:45 · r/AI_Agents
    How do you count token cost for long-running agents: raw context or billed tokens?

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