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Mini toolsLightning v3
By Smallest Ai
Lightning is a real-time TTS model designed around sub-100ms time-to-first-audio for interactive applications, with production voice cloning that can be created from short reference audio and support for multiple languages (the product page lists Lightning V3.1 with 15 languages and emphasizes under-100ms latency).
New
Audio
Gen 4
Overview
Lightning is Smallest.ai’s low-latency text-to-speech system for real-time voice agents, voiceovers, and voice cloning.
About Smallest Ai
Smallest.ai is a full-stack enterprise voice AI platform that develops ultra-efficient speech-to-text, text-to-speech, and voice agent models under 10B parameters. Its flagship model Lightning generates 10 seconds of hyper-realistic speech in ~100ms across 30+ languages.
Industry:
Artificial Intelligence
Company Size:
11-50
Location:
San Francisco, California, US
Website:
smallest.ai
Tools using Lightning v3
Last updated: March 25, 2026
