9 Signals, Not 7: What My Free AI Agent Grader v3 Catches That v2 Missed
A developer has released version 3 of a free AI agent log grader tool designed to identify hidden cost inefficiencies. The new version adds two signals focused on cost per outcome and log line density, which were missed by previous versions that focused on correctness. These new signals aim to help developers detect the root causes of unexpected LLM bill increases, which have become a common issue in 2026. AI
IMPACT Helps developers identify and mitigate unexpected LLM costs, improving efficiency and predictability.