Tiny 31.7MB Open-Source TTS Model Woof Beats Fish Audio Drama 3

Underdog's open-source TTS model Woof is just 31.7MB yet achieves a 1.42% word error rate, outperforming the 41.5GB Fish Audio Drama 3 despite being over 1000x smaller, running locally in browsers at 13.8x real-time speed on CPU.

2026-11-07 ~ 2026-11-07 · 2 related posts

• Underdog Woof: a 31.7 MB TTS model that runs on CPU 13.8x faster than real time — victormustar · 2026-11-07
• 31.7MB open-weight TTS model Woof beats 1000x-larger Fish Audio Drama 3 on WER — alexcovo_eth · 2026-11-07