
Lightning V3
AIText-to-Speech built for Voice Agents
About
Introducing Lightning V3, the most sophisticated text-to-speech model from Smallest AI. It features a latency of 100 milliseconds and achieves a WVMOS score of 3.89. Supporting English, Hindi, Spanish, Tamil, and more than fifteen additional languages, V3 was chosen by listeners over OpenAI's GPT-4o-mini-TTS in 76.2% of comparisons. It delivers audio at 44.1 kHz and enables voice assistants, IVR systems, content creation, and conversational AI with natural, human-like speech. The model offers instant voice cloning from only ten seconds of audio. It is real-time, expressive, and ready for enterprise use.
Launched
April 2, 2026Week 4
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