TurnBench: measuring the timing of conversation

Sesame released TurnBench, an open-source benchmark for evaluating turn-taking dynamics in spoken dialogue. The benchmark includes a public leaderboard, interactive conversation viewer, and self-serve scoring on the dev set. It was developed in partnership with Carnegie Mellon University, Mundo AI, Oto, and researchers from several other institutions.

From the source
Today we’re releasing TurnBench , an open-source benchmark for evaluating turn-taking dynamics in spoken dialogue. It reflects our internal evaluation methodology with the same taxonomy, tasks, and scoring protocol. It features a public leaderboard, an interactive conversation viewer, and self-serve scoring on the dev set.
sesame.com

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Announced: 28 Aug 2026
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