Text-to-Speech (TTS) Models
Lightning
Our fastest model, optimized for low-latency applications. It can generate 10 seconds of audio in just 100 milliseconds, making it ideal for real-time applications such as voicebots and interactive systems.
Lightning v2
An upgrade from the Lightning Large model, offering improved performance and quality. It supports 16 languages, making it suitable for a wider range of applications requiring expressive and high-quality speech synthesis.
Lightning Large [⚠️ To be Deprecated]
Offers more emotional depth and expressiveness compared to the Lightning model. It supports voice cloning and has a latency of just under 300 milliseconds, making it suitable for applications requiring high-quality, expressive speech.
Speech to Text (STT) Models
Lightning ASR
High-accuracy, low-latency automatic speech recognition model built for real-time transcription. It supports automatic language detection across 32 languages and delivers fast, reliable results.
Geo-location Based Routing
Waves intelligently routes every request to the nearest server cluster to ensure the lowest possible latency for your applications. We currently operate server clusters in:- 🇮🇳 India (Mumbai)
- 🇺🇸 USA (Oregon)
Model Overview (TTS)
| Model ID | Description | Languages Supported |
|---|---|---|
| lightning | Fastest model with an RTF of 0.01, generating 10 seconds of audio in 100 ms. | English Hindi |
| lightning-large | More emotional depth and expressiveness, supports voice cloning, latency under 300 ms. | English Hindi |
| lightning-v2 | 100ms TTFB, Supports 16 languages with voice cloning. | English Hindi Tamil Kannada Gujarati Bengali Marathi German French Spanish Italian Polish Dutch Russian Arabic Hebrew |
Model Overview (STT)
| Model ID | Description | Languages Supported |
|---|---|---|
| lightning | Low-latency speech-to-text model supporting automatic language detection and real-time transcription. | Italian Spanish English Portuguese Hindi German French Ukrainian Russian Kannada Malayalam Polish Marathi Gujarati Czech Slovak Telugu Oriya (Odia) Dutch Bengali Latvian Estonian Romanian Punjabi Finnish Swedish Bulgarian Tamil Hungarian Danish Lithuanian Maltese |
Note: The API uses ISO 639-1 language codes - Set 1 (2-letter codes) to specify supported languages.