Chatterbox Turbo
Fast, expressive, open source TTS with native watermarking
Chatterbox Turbo launched on December 30, 2025 with 206 votes, #123 of 11,628 launches that month and more than 95% of that year's launches.
What it does
Chatterbox Turbo is a 350M parameter open-source TTS model. It features paralinguistic tags (control laughs, sighs, etc.), zero-shot cloning, and runs 6x faster than real-time. Uniquely includes built-in PerTh watermarking for safety.
Chatterbox Turbo is Resemble AI's fastest open-source TTS — 350M params, 75ms latency, 6x real-time, with paralinguistic tags and voice cloning from 5 seconds of audio.
The only open-source TTS with built-in watermarking. Up to 6× faster than real-time on a GPU, with paralinguistic prompting, zero-shot cloning, and MIT license. Outperforms proprietary closed-source models head-to-head. Same prompts, same reference audio — zero-shot, no prompt engineering, no post-processing. Chatterbox Turbo is the first open-source TTS that doesn’t ask you to choose your fighter. It’s fast, expressive, and MIT licensed — with every output authenticated by PerTh watermarking, so you can build voice AI that’s both open and accountable. Streaming-ready inference for voice assistants, interactive media, and low-latency agent loops. Lean…from resemble.ai
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