# Kyutai — Building a Pocket TTS with a drifting objective

- Company: Kyutai (kyutai.org)
- Announced: 2026-09-28
- Category: research-paper
- Coverage: not counted
- Announcement: no
- Group: routine
- Source: https://kyutai.org/blog/2026-09-28-pocket-tts-drifting
- Record: https://forck.live/items/18335-building-a-pocket-tts-with-a-drifting-objective
- Subject: Moshi / Pocket TTS

Kyutai trained the Pocket TTS sampler head using a drifting objective instead of flow matching, achieving one-step sampling with no Jacobian computation and maintaining the same quality.

## Evidence

Verbatim from https://kyutai.org/blog/2026-09-28-pocket-tts-drifting:

> We trained the Pocket TTS sampler head with drifting instead of flow matching: one step, no Jacobian, same quality.

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Record: https://forck.live/items/18335-building-a-pocket-tts-with-a-drifting-objective
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