> ## Documentation Index
> Fetch the complete documentation index at: https://docs.slng.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Model Catalog

> Browse the full catalog of TTS and STT models on SLNG. Search by provider, language, or AWS deployment region for production voice agents.

SLNG gives you access to **14 TTS models** and **8 STT models** from **10 providers**, all through a single platform. Browse by type or find which models are deployed in your region.

## At a Glance

### Text-to-Speech

| Model                                                                       | Provider   | Hosting    | Latency | Languages           |
| --------------------------------------------------------------------------- | ---------- | ---------- | ------- | ------------------- |
| [Rime Arcana v3](/api-reference/tts/rime-arcana-v3/arcana-v3-english-ws)    | Rime       | SLNG       | Low     | 4 languages         |
| [Rime Arcana v1](/api-reference/tts/rime-arcana-v2/arcana-v2-english-ws)    | Rime       | SLNG       | Low     | 5 languages         |
| [Deepgram Aura 2](/api-reference/tts/deepgram-aura-2/aura-2-english-ws)     | Deepgram   | SLNG       | Low     | 2 languages         |
| [Aura 2 (Proxy)](/api-reference/tts/deepgram-aura-2/aura-2-ws)              | Deepgram   | Deepgram   | Medium  | 7 languages         |
| [Bulbul v3](/api-reference/tts/sarvam-ai-bulbul-v3/bulbul-v3-ws)            | Sarvam AI  | Sarvam AI  | Medium  | 11 languages        |
| [Kugel 1 Turbo](/api-reference/tts/kugel-1-turbo/kugel-1-turbo-ws)          | KugelAudio | KugelAudio | Low     | 26 languages        |
| [Kugel 1](/api-reference/tts/kugel-1/kugel-1-ws)                            | KugelAudio | KugelAudio | Medium  | 26 languages        |
| [Kugel 2](/api-reference/tts/kugel-2/kugel-2-ws)                            | KugelAudio | KugelAudio | Medium  | 26 languages        |
| [Murf Falcon](/api-reference/tts/murf-falcon/murf-falcon-ws)                | Murf       | Murf       | Low     | English and Spanish |
| [Cartesia Sonic 3](/api-reference/tts/cartesia-sonic-3/cartesia-sonic-3-ws) | Cartesia   | Cartesia   | Low     | 40+ languages       |
| [Soniox TTS RT v1](/api-reference/tts/soniox-tts-v1/soniox-tts-v1-ws)       | Soniox     | Soniox     | Low     | English             |
| [Gradium TTS](/api-reference/tts/gradium-tts/gradium-tts-ws)                | Gradium    | Gradium    | Low     | 5 languages         |
| [Kugel 2 Turbo](/api-reference/tts/kugel-2-turbo/kugel-2-turbo-ws)          | KugelAudio | KugelAudio | Low     | 26 languages        |
| [Inworld Max 1.5](/api-reference/tts/inworld-max/inworld-max-ws)            | Inworld    | SLNG       | Low     | 15 languages        |

### Speech-to-Text

| Model                                                                                         | Provider  | Hosting   | Latency | Languages            |
| --------------------------------------------------------------------------------------------- | --------- | --------- | ------- | -------------------- |
| [Deepgram Nova 3](/api-reference/stt/deepgram-nova-3/nova-3-multi-language-ws)                | Deepgram  | SLNG      | Low     | 4 languages          |
| [Nova 2 (Proxy)](/api-reference/stt/deepgram-nova-2/nova-2-ws)                                | Deepgram  | Deepgram  | Low     | 36 languages         |
| [Nova 3 (Proxy)](/api-reference/stt/deepgram-nova-3/nova-3-ws)                                | Deepgram  | Deepgram  | Low     | 17 languages         |
| [Nova 3 Medical](/api-reference/stt/deepgram-nova-3-medical/nova-3-medical-ws)                | Deepgram  | Deepgram  | Low     | English              |
| [Speech AI RT v4](/api-reference/stt/soniox-speech-ai-real-time-v4/speech-ai-real-time-v4-ws) | Soniox    | Soniox    | Low     | 60+ languages        |
| [Sarvam AI Saaras](/api-reference/stt/sarvam-ai-saaras/saaras-v3-http)                        | Sarvam AI | Sarvam AI | Medium  | 24 languages         |
| [Reson8 STT v1](/api-reference/stt/reson8-stt-v1/reson8-stt-v1-ws)                            | Reson8    | Reson8    | Low     | 9 European languages |
| [Gradium STT](/api-reference/stt/gradium-stt/gradium-stt-ws)                                  | Gradium   | Gradium   | Low     | 5 languages          |

## Browse Models

<CardGroup cols={3}>
  <Card title="Text-to-Speech" icon="audio-lines" href="/models/tts" cta="Browse TTS models">
    14 models from 9 providers.
  </Card>

  <Card title="Speech-to-Text" icon="ear" href="/models/stt" cta="Browse STT models">
    8 models from 5 providers.
  </Card>

  <Card title="By Region" icon="globe" href="/models/by-region" cta="Browse by region">
    See which models are deployed in your region.
  </Card>

  <Card title="By Language" icon="languages" href="/models/by-language" cta="Browse by language">
    Find models that support your target language.
  </Card>
</CardGroup>