Kugel - SLNG Documentation

KugelAudio’s Kugel is a multilingual TTS model with expressiveness control. It comes in two variants:

Kugel 1 Turbo: low-latency, optimized for real-time voice agents
Kugel 1: standard quality with full expressiveness control

You can control expressiveness with cfg_scale (0–10, default 2) and playback speed with speed (0.8–1.2). The same voice catalog is shared across both variants.

{
  "type": "config",
  "voice_id": 272,
  "model_id": "kugel-1-turbo",
  "cfg_scale": 2,
  "speed": 1.0,
  "sample_rate": 24000
}

Supported languages

Language	Code	Voices
English	`en`	8
Spanish	`es`	4
French	`fr`	4
German	`de`	55
Italian	`it`	4
Portuguese	`pt`	4
Dutch	`nl`	5
Polish	`pl`	4
Czech	`cs`	4
Slovenian	`sl`	4
Turkish	`tr`	4

English

Voice ID	Name	Gender	Age	Tone	Use Case
`285`	Angela Teacher	feminine	Adult	informative_educational	Voice Agents, Customer Support
`287`	Chucker	masculine	Adult	Conversational	Voice Agents, Customer Support
`290`	Edina	feminine	Adult	informative_educational	Voice Agents, Customer Support
`293`	Fred	masculine	Adult	Conversational	Voice Agents, Customer Support
`292`	Gustav	masculine	Elder	Conversational	Voice Agents, Customer Support
`284`	Justin News Anchor	masculine	Adult	entertainment_tv	Voice Agents, Customer Support
`289`	Lukas Storyteller	masculine	Elder	Conversational	Voice Agents, Customer Support
`286`	Tim	masculine	Adult	Conversational	Voice Agents, Customer Support

Spanish

Voice ID	Name	Gender	Age	Tone	Use Case
`594`	Carlos Fernández	masculine	Adult	Conversational	Voice Agents, Customer Support
`595`	Héctor Aguilar	masculine	Adult	Conversational	Voice Agents, Customer Support
`592`	Isabel Torres	feminine	Adult	Conversational	Voice Agents, Customer Support
`588`	Paula Vega	feminine	Adult	Conversational	Voice Agents, Customer Support

French

Voice ID	Name	Gender	Age	Tone	Use Case
`732`	Camille Dupont	feminine	Adult	Conversational	Voice Agents, Customer Support
`735`	Julien Faure	masculine	Adult	Conversational	Voice Agents, Customer Support
`734`	Manon Petit	feminine	Adult	Conversational	Voice Agents, Customer Support
`736`	Nicolas Leroy	masculine	Adult	Conversational	Voice Agents, Customer Support

German

Voice ID	Name	Gender	Age	Tone	Use Case
`468`	Amelie Kraft	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`448`	Andreas Schwarz	masculine	Adult	Conversational	Voice Agents, Customer Support
`265`	Angela Österreicherin	feminine	Adult	narrative_story	Voice Agents, Customer Support
`410`	Anna Hoffmann	feminine	Adult	Conversational	Voice Agents, Customer Support
`973`	Anna Martin	feminine	Adult	Conversational	Voice Agents, Customer Support
`480`	Carla Brandt	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`439`	Christine Kühn	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`977`	Dominik Grund	masculine	Adult	Conversational	Voice Agents, Customer Support
`255`	Durchsage	masculine	Adult	narrative_story	Voice Agents, Customer Support
`422`	Elisabeth Fuchs	feminine	Adult	Conversational	Voice Agents, Customer Support
`412`	Felix Richter	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`272`	Friedrich	masculine	Adult	narrative_story	Voice Agents, Customer Support
`270`	Friedrich Sänger	masculine	Elder	narrative_story	Voice Agents, Customer Support
`476`	Greta Winkler	feminine	Adult	Conversational	Voice Agents, Customer Support
`446`	Hannah Vogel	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`262`	Hans	masculine	Elder	characters_animation	Voice Agents, Customer Support
`268`	Hans	masculine	Elder	narrative_story	Voice Agents, Customer Support
`267`	Heike die Vorleserin	feminine	Elder	narrative_story	Voice Agents, Customer Support
`269`	Heinrich	masculine	Elder	narrative_story	Voice Agents, Customer Support
`274`	Heinrich	masculine	Elder	narrative_story	Voice Agents, Customer Support
`409`	Helmut Drechsler	masculine	Elder	Conversational	Voice Agents, Customer Support
`416`	Jan Schulz	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`276`	Jens	masculine	Adult	narrative_story	Voice Agents, Customer Support
`271`	Johann	masculine	Adult	narrative_story	Voice Agents, Customer Support
`280`	Johann	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`256`	Jörg	masculine	Elder	narrative_story	Voice Agents, Customer Support
`264`	Katrin	feminine	Elder	narrative_story	Voice Agents, Customer Support
`978`	Lea Huber	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`402`	Lena Berger	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`450`	Lisa Hofmann	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`258`	Lukas der Flüsterer	masculine	Adult	narrative_story	Voice Agents, Customer Support
`413`	Lukas Ehlers	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`980`	Marius Behnke	masculine	Adult	Conversational	Voice Agents, Customer Support
`279`	Markus der Analyst	masculine	Adult	Conversational	Voice Agents, Customer Support
`404`	Markus Lehmann	masculine	Adult	Conversational	Voice Agents, Customer Support
`458`	Monika Weiß	feminine	Adult	Conversational	Voice Agents, Customer Support
`420`	Niklas Bauer	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`283`	Notfallsystem	feminine	Adult	advertisement	Voice Agents, Customer Support
`263`	Österreichische Irmgard	feminine	Elder	narrative_story	Voice Agents, Customer Support
`282`	Otto der Vorleser	masculine	Adult	narrative_story	Voice Agents, Customer Support
`436`	Patrick Müller	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`465`	Paula Beckmann	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`266`	Petra die Vorleserin	feminine	Elder	narrative_story	Voice Agents, Customer Support
`277`	Radio Lars	masculine	Elder	advertisement	Voice Agents, Customer Support
`462`	Renate Haas	feminine	Elder	Conversational	Voice Agents, Customer Support
`273`	Rita die Vorleserin	non-binary	Elder	narrative_story	Voice Agents, Customer Support
`438`	Sabine Neumann	feminine	Young Adult	Conversational	Voice Agents, Customer Support
`979`	Sara Wagner	feminine	Adult	Conversational	Voice Agents, Customer Support
`261`	Sauerer Felix	masculine	Elder	narrative_story	Voice Agents, Customer Support
`974`	Selina Netz	feminine	Adult	Conversational	Voice Agents, Customer Support
`281`	Suffi Thomas	masculine	Elder	narrative_story	Voice Agents, Customer Support
`972`	Tim Schröder	masculine	Adult	Conversational	Voice Agents, Customer Support
`460`	Tobias Kraft	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`976`	Tobias Kühn	masculine	Young Adult	Conversational	Voice Agents, Customer Support
`259`	Verrückter Bernd	masculine	Elder	narrative_story	Voice Agents, Customer Support

Italian

Voice ID	Name	Gender	Age	Tone	Use Case
`684`	Alessandro Ricci	masculine	Adult	Conversational	Voice Agents, Customer Support
`682`	Beatrice Serra	feminine	Adult	Conversational	Voice Agents, Customer Support
`685`	Simone Barbieri	masculine	Adult	Conversational	Voice Agents, Customer Support
`683`	Valentina Bruna	feminine	Adult	Conversational	Voice Agents, Customer Support

Portuguese

Voice ID	Name	Gender	Age	Tone	Use Case
`604`	André Cardoso	masculine	Adult	Conversational	Voice Agents, Customer Support
`601`	Daniela Campos	feminine	Adult	Conversational	Voice Agents, Customer Support
`603`	Marcelo Teixeira	masculine	Adult	Conversational	Voice Agents, Customer Support
`606`	Mariana Ferreira	feminine	Adult	Conversational	Voice Agents, Customer Support

Dutch

Voice ID	Name	Gender	Age	Tone	Use Case
`966`	Claudy Focan	masculine	Adult	characters_animation	Voice Agents, Customer Support
`910`	Daan Mulder	masculine	Adult	Conversational	Voice Agents, Customer Support
`913`	Hanna Kuiper	feminine	Adult	Conversational	Voice Agents, Customer Support
`911`	Lars de Vries	masculine	Adult	Conversational	Voice Agents, Customer Support
`912`	Rosa van den Berg	feminine	Adult	Conversational	Voice Agents, Customer Support

Polish

Voice ID	Name	Gender	Age	Tone	Use Case
`744`	Dawid Kwiatkowski	masculine	Adult	Conversational	Voice Agents, Customer Support
`742`	Dominika Nowak	feminine	Adult	Conversational	Voice Agents, Customer Support
`743`	Katarzyna Lewandowska	feminine	Adult	Conversational	Voice Agents, Customer Support
`745`	Krzysztof Wiśniewski	masculine	Adult	Conversational	Voice Agents, Customer Support

Czech

Voice ID	Name	Gender	Age	Tone	Use Case
`741`	Jakub Dvořák	masculine	Adult	Conversational	Voice Agents, Customer Support
`737`	Tereza Nováková	feminine	Adult	Conversational	Voice Agents, Customer Support
`740`	Tomáš Horák	masculine	Adult	Conversational	Voice Agents, Customer Support
`739`	Veronika Benešová	feminine	Adult	Conversational	Voice Agents, Customer Support

Slovenian

Voice ID	Name	Gender	Age	Tone	Use Case
`849`	Ana Novak	feminine	Adult	Conversational	Voice Agents, Customer Support
`847`	Andrej Potočnik	masculine	Adult	Conversational	Voice Agents, Customer Support
`850`	Katja Breznik	feminine	Adult	Conversational	Voice Agents, Customer Support
`848`	Matej Kovač	masculine	Adult	Conversational	Voice Agents, Customer Support

Turkish

Voice ID	Name	Gender	Age	Tone	Use Case
`583`	İbrahim Yıldız	masculine	Adult	Conversational	Voice Agents, Customer Support
`584`	Mehmet Kaya	masculine	Adult	Conversational	Voice Agents, Customer Support
`585`	Seda_Aktaş	feminine	Adult	Conversational	Voice Agents, Customer Support
`586`	Zeynep Arslan	feminine	Adult	Conversational	Voice Agents, Customer Support

​Supported languages

​English

​Spanish

​French

​German

​Italian

​Portuguese

​Dutch

​Polish

​Czech

​Slovenian

​Turkish