Is Piper currently the best open source TTS model? I occasionally review open models to see if they match elevenlabs and have been disappointed. However, Piper sounds better than the last time I listened around.
[1] https://rhasspy.github.io/piper-samples/ [2] https://huggingface.co/spaces/coqui/xtts [3] https://github.com/rhasspy/piper [4] https://github.com/coqui-ai/TTS
Looks like there's an effort to keep an actively maintained fork here, though: https://github.com/idiap/coqui-ai-TTS