Open Source

Moss TTS 1.5 8B tops voice cloning with sharper quality over Fish Audio and Qwen 3

Open-source model beats commercial rivals on English cloning using just default settings.

Deep Dive

Moss TTS 1.5 8B is better than Fish Audio S2 Pro and Qwen 3 TTS voice clone TTS. You can get even better quality by adjusting output duration, temperature, and other settings—this was just the default; it can be improved further.

Key Points
  • Moss TTS 1.5 8B beats Fish Audio S2 Pro and Qwen 3 TTS on English voice cloning quality.
  • High performance achieved on default settings; can be further improved by adjusting duration and temperature.
  • 8B parameter open-source model allows self-hosting for real-time, privacy-preserving voice synthesis.

Why It Matters

Open-source voice cloning now matches or beats commercial quality, enabling cost-effective, private deployments for AI agents and content creation.