Lightning v3.1 Pro
Premium 44.1kHz text-to-speech model from Smallest AI with a curated multi-accent voice catalog, native multilingual code-switching (English/Hindi and 29+ languages), and real-time low-latency synthesis (~200ms TTFB) via HTTP, SSE, and WebSocket. Runs on isolated infrastructure for enhanced naturalness versus the standard Lightning v3.1 pool.
- Type
- Audio
- Weights
- Closed
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About Smallest AI
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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.