New InteractionBench from Penn tests whether real-time multimodal AI knows when to speak or stay silent
thoma_gu · x · 2026-10-07
A team led by first-year Penn PhD student Enxin Song released InteractionBench, which evaluates the core decision of real-time video assistants: when to respond and when to stay silent. The authors argue offline scores fail to capture this ability.
The benchmark evaluates the complete system of model, memory, and response controller, spanning 1,060 interactions over 812 videos. Advisor thomagu calls it a stepping stone toward physical AI in the real world.
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