Swanada: 12-language Indic + Sanskrit STT runs fully in-browser via WASM
init0 · reddit · 2026-11-13
Following feedback on Ninada, an in-browser Indic TTS, the developer built Swanada, the reverse direction: offline speech-to-text running 100% in browser WASM with zero cloud calls.
- Covers Sanskrit (incl. Vedic), English, and 10 Indian languages across 12 scripts; supports live "Kanglish" (Kannada+English) and Roman IAST output
- Mobile model is just 31.8 MiB; RTF 0.009x–0.021x (48x–111x real-time), 236ms latency, 28.6ms TTFT
- Sub-1ms auto language ID (12/12 accuracy), evals at 5.35% CER / 94.7% accuracy on 1,600 unseen FLEURS, OpenASR & Sushrota clips, reporting 0/100 silent hallucinations
- MIT-licensed, works on iOS, Android, Node & Python
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