Kajo Kratzenstein — CTO at KugelAudio

About

Founder at KugelAudio (YC P26). Previously CTO at Sagemode, scaling an in-game AI coach to 1,000+ users with deep League of Legends integration. Built production aneurysm detection model at Floy GmbH. MA and BSc in Computer Science from Hasso Plattner Institute.

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Articles about KugelAudio

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Y Combinator-backed Berlin startup’s open-source voice AI hits 1,742 Hugging Face downloads in first month

KugelAudio's open-source, on-premise text-to-speech model supports 24 European languages, runs inside customer networks, and delivers sub-100ms latency—addressing EU data sovereignty and compliance needs for banks, insurers, and automakers avoiding U.S. jurisdiction risks.

8/14/2026, 4:40 AM PDTBy Zero G Talenton-premise AIEU data sovereigntytext-to-speech

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