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VQV Signal

RESEARCH SOURCE-BACKED TECHNICAL

WhatWorkedBench: Benchmarking Experimental Understanding in AI Agents

WhatWorkedBench is introduced to evaluate AI agents' ability to predict outcomes of experimental changes by inspecting code and forecasting performance across configurations. It uses exhaustive CPU execution to provide accurate response surfaces for component settings.

Source: arXiv · arxiv.org Published 2026-09-23T07:49:24+00:00 Detected 2026-09-24T05:17:52+00:00
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WhatWorkedBench is introduced to evaluate AI agents' ability to predict outcomes of experimental changes by inspecting code and forecasting performance across configurations. It uses exhaustive CPU execution to provide accurate response surfaces for component settings.

AI-assisted summary based on the listed source.

AI research agents need reliable knowledge of how their experiments change outcomes. We introduce WhatWorkedBench to measure experimental understanding, the accuracy of predictions about component changes after budgeted experimentation. Agents inspect code, select measurements, and submit a response surface, a...

Reliable experimental understanding enables AI agents to optimize and adapt systems more effectively by anticipating the impact of changes. This benchmark provides a standardized way to measure and improve such predictive capabilities.

Signal Strength 95% Technical label SOURCE-BACKED Public Interest 30 Category RESEARCH Reader Depth TECHNICAL

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Public Interest components
Recognizable Entity Score 0 Practical Impact Score 0 Novelty Interest Score 94 Consequence Score 34 Curiosity Score 16 Shareability Score 45

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