Kafka Labs

Research notes

Notes from the work.

Position papers and design notes on real-time, speech-native conversation. These describe directions and reasoning. When we have results we are prepared to defend, they will get notes of their own.

  1. 03—October 2026

    11 min read

    A latency budget for live speech

    Where the time goes between a caller's mouth and the agent's voice, which costs are physics and which are design, and why a live speech system has to stream at every stage.

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  2. 02—October 2026

    11 min read

    Turn-taking is a model problem, not a timer problem

    What people actually do when they hand the floor back and forth, why silence thresholds cannot reproduce it, and what a model that handles turn-taking natively has to learn.

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  3. 01—October 2026

    11 min read

    The case for speech-to-speech

    Why the transcribe, think, synthesize pipeline cannot be fixed with faster parts, what a speech-native model has to learn instead, and where the hard problems are.

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