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.

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Model Overview

Model IDDescriptionLanguages Supported
lightningFastest model with an RTF of 0.01, generating 10 seconds of audio in 100 ms.English
Hindi
lightning-largeMore emotional depth and expressiveness, supports voice cloning, latency under 300 ms.English
Hindi
lightning-v2100ms TTFB, Supports 16 languages with voice cloning.English
Hindi
Tamil
Kannada
Gujarati
Bengali
Marathi
German
French
Spanish
Italian
Polish
Dutch
Russian
Arabic
Hebrew
Note: The API uses ISO 639-1 language codes - Set 1 (2-letter codes) to specify supported languages.

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Pricing

Our pricing model is designed to be flexible and scalable, catering to different usage needs. For detailed pricing information, please visit our pricing page or contact our sales team at support@smallest.ai.