oto / research

Research for conversation.

We study the data, evaluations, and models needed for voice systems to participate in natural human conversation.

Latest research

Dataset · August 2026

otoSpeech Task: Task-oriented full-duplex dataset

Cascaded systems optimize task accuracy, full-duplex models optimize natural conversation, and both are heading for the same corner. That corner needs conversation data with the task still attached.

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Announcement · August 2026

otoSpeech is the training set for TurnBench

Sesame has released TurnBench, an open benchmark for turn-taking in spoken dialogue. Its 104-hour training set is otoSpeech, collected and hand-annotated by oto.

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Research · August 2026

otoTurn: End-of-turn detection for spontaneous conversation

Existing end-of-turn models work well for task-oriented voice agents. We tested what happens when the conversation stops behaving like a task.

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