200 agents, 2,011,438 tool calls: who's paying for your AI?

Automated excerpt

Finance asked the usual thing: "which model is eating our budget? " The intuitive answer — "the frontier model, obviously" — was wrong. They need a model — a cheap one, routed to that specific sub-task. But the agent was wired with one "default" model for the whole loop, so every sub-task paid frontier prices.

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