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Chatterbox Turbo

Default

Standard English Neutral Chatterbox Turbo

Default is a neutral AI voice powered by the Chatterbox Turbo text-to-speech model. This standard-tier voice speaks English and delivers studio-quality speech synthesis. With near-instant generation speed and a quality rating of 5/5, Default is well-suited for real-time voice agents, expressive speech with natural sounds. The Chatterbox Turbo engine is developed by Resemble AI under the MIT license, making it safe for commercial use. Key capabilities include: sub-200ms latency, paralinguistic tags, 6x real-time, voice cloning, watermarking. The Chatterbox Turbo model also supports voice cloning — upload a short audio sample to create a custom voice that retains the same quality characteristics.

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Chatterbox TurboModel Information

Model Chatterbox Turbo
Developer Resemble AI
Quality
Speed Fast
License MIT
Cloning Supported
Tier Standard (2x characters)
Parameters 350M
Architecture ResembleEnhance + Flow Matching
Year 2025

Best Use Cases for Default

Recommended applications based on this voice's characteristics

Audiobooks & Narration

Use Default to narrate long-form content with natural prosody and expression.

Video Voiceovers

Add professional narration to YouTube videos, ads, and social media content.

Apps & Accessibility

Fast generation makes this voice ideal for real-time apps, screen readers, and accessibility tools.

Podcasts & Broadcasting

Studio-quality output suitable for podcasts, radio, and professional broadcasting.

Frequently Asked Questions

Chatterbox Turbo by Resemble AI is a 350M parameter upgrade to Chatterbox, delivering up to 6x real-time speed with sub-200ms latency. It supports paralinguistic tags like [laugh], [cough], and [chuckle] directly in text. Includes Perth watermarking on all generated audio for provenance tracking.

Chatterbox Turbo was developed by Resemble AI and is released under the MIT license, which permits commercial use of generated audio.

Chatterbox Turbo supports 1 language: English.

Chatterbox Turbo is in the Standard tier — 2 credits per 1,000 characters. You can preview any Chatterbox Turbo voice for free before generating full audio.

Chatterbox Turbo has very fast generation speed. It runs in near real-time, making it suitable for streaming and interactive applications.

Chatterbox Turbo is rated 5/5 for audio quality on TTS.ai. It delivers studio-grade, human-like speech.

Yes, Chatterbox Turbo supports zero-shot voice cloning. Upload 5-30 seconds of reference audio to create a custom voice.

Yes, Chatterbox Turbo is specifically recommended for real-time voice agents, expressive speech with natural sounds. Its sub-200ms latency, paralinguistic tags, 6x real-time capabilities make it an excellent choice for this use case.

Yes, Chatterbox Turbo is licensed under MIT, which allows commercial use. Audio generated with Chatterbox Turbo voices can be used in videos, podcasts, apps, games, and any other commercial project.

Yes, all voices on TTS.ai use commercially-licensed open-source models (MIT, Apache 2.0). The generated audio is yours to use in videos, podcasts, apps, games, and any other commercial application.

Send a POST request to /api/v1/tts/ with the model name and voice ID. See our API Documentation page for code examples in Python, JavaScript, Go, and cURL.

Yes, click the play button on this page to hear a sample. You can also type custom text on the Text to Speech page and generate a free preview with any voice.

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Type any text and hear it spoken by Default. Free to use.

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