Which metric is used to assess tool call efficiency?

• A. Number of tools available
• B. Average latency per call
• C. Total cost per task
• D. By tracking the number of calls, average latency, and total cost per task

Answer: (D)

Measuring tool call efficiency requires looking at multiple dimensions: how often you call tools, how long each call takes on average, and the total cost of those calls for completing a task. Each aspect tells a different part of the story, and together they give a full picture. If you only track latency, you might miss that there are lots of calls happening or that those calls are expensive. If you only track how many calls you make, you won’t know whether those calls are fast or costly. If you only look at total cost, you won’t see whether delays or repeated calls are causing inefficiencies.

By monitoring the number of calls, the average latency per call, and the total cost per task, you can evaluate efficiency comprehensively and understand how changes to one dimension affect the others. This holistic view helps you optimize for faster responses, lower cost, and fewer unnecessary calls, capturing the trade-offs involved in tool usage.