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About KugelAudio
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KugelAudio is a Berlin speech AI company that trains its own text-to-speech model. It sells real-time voice agents and text-to-speech built and hosted in the EU, and runs on-premise in customers’ own infrastructure for organisations whose data has to stay in Europe. Its first model is open source and has been downloaded more than 150,000 times. KugelAudio is backed by Y Combinator.
KugelAudio ist ein Berliner Unternehmen für Sprach-KI, das sein eigenes Text-to-Speech-Modell trainiert. Es bietet Echtzeit-Voice-Agents und Text-to-Speech an, entwickelt und gehostet in der EU, und läuft auch on-premise in der Infrastruktur der Kunden, für Organisationen, deren Daten in Europa bleiben müssen. Das erste Modell ist Open Source und wurde mehr als 150.000 Mal heruntergeladen. KugelAudio wird von Y Combinator unterstützt.
- Company
- KugelAudio GmbH
- Headquarters
- Berlin, Germany
- Founders
- Kajo Kratzenstein, Viktor Presber
- Team
- 4 people
- Backed by
- Y Combinator (Spring 2026)
- Languages
- 39
- Open model downloads
- More than 150,000
Founders
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Kajo Kratzenstein
Co-founder
Spent two years researching text-to-speech at the Hasso-Plattner-Institut and built the model that became Kugel. Before that, shipped a production aneurysm-detection model at Floy.
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Viktor Presber
Co-founder, go-to-market and product
Took full-house.io to $300K ARR in six months with Siemens Energy, Hitachi Rail and Barilla.
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