Most AI agent evals completely ignore execution efficiency

Reddit r/AI_Agents News

Summary

The author argues that current AI agent evaluations often overlook execution efficiency, focusing only on final outputs while ignoring redundant actions and costly orchestration issues that arise in production.

We were evaluating some AI agents internally and noticed something weird: A lot of them scored perfectly on “task completion” while being wildly inefficient underneath. Example: * same tool called multiple times with identical args * unnecessary retrieval steps * repeated reasoning loops * execution paths much longer than needed Technically successful. Operationally terrible. Most eval setups only check: input → output But production failures usually happen in the middle: the orchestration layer. The execution trace tells you WAY more about agent quality than the final answer alone. We've started measuring things like: * redundant actions * execution efficiency * plan adherence * tool argument quality Interesting pattern: agents that look impressive in demos often become extremely expensive and unreliable at scale because nobody measured how they got to the answer. Curious if others here have seen the same issue with agent evaluations?
Original Article

Similar Articles

How much of an AI agent’s execution quality is actually a data problem?

Reddit r/AI_Agents

The author reflects on why AI agents that perform well in demos often fail in real workflows, arguing that execution quality may be more tied to data issues (task examples, tool traces, evaluation sets) than to reasoning or planning alone, and notes that they are exploring this problem through the OpenDCAI/DataFlow project.

AI agents feel impressive until the workflow gets messy

Reddit r/AI_Agents

A reflection on AI agents: impressive for narrow supervised tasks but fragile and unreliable in long-running, messy workflows due to issues like session expiration, context drift, and silent failures.