Voices, Voice IDs, and Supported Languages
Use this page to find your voice ID, list all voices available on each TTS model, and check the supported languages. Works via the REST API or Python SDK.
The Lightning v3.1 model card has the curated voice catalog, “Best Voices” tables per language, and the canonical supported-language list.
The Pulse STT model card has the language list and which features are supported per language.
The smallestai Python SDK is being updated. If the SDK example below doesn’t work, use the underlying REST API directly (see the API reference under Waves → API Reference). Streaming synthesis via WavesStreamingTTS is unaffected.
Requirements
Before you begin, ensure you have the following:
- Python (3.9 or higher) installed on your machine.
- An API key from the Smallest AI platform.
- The Smallest AI Python SDK installed. If you haven’t installed it yet, follow the instructions below:
Install the SDK
Set your API key as an environment variable:
Fetch Available Voices, Models, and Languages
The Smallest AI SDK allows you to query the available languages, voices, and models for your TTS needs. Here’s how you can do it:
Explanation of Functions
get_languages(): Retrieves the list of supported languages for Text-to-Speech.get_voices(model="model_name"): Retrieves the voices available for a specific model (e.g., “lightning-v3.1”).get_cloned_voices(): Fetches all user-specific cloned voices.get_models(): Retrieves the TTS models on the platform available through API.
Need Help?
If you have any questions or encounter issues, our community is here to help!
- Join our Discord server to connect with other developers and get real-time support.
- Contact us via email: support@smallest.ai.

