Chatterbox TTS

Chatterbox TTS is an open-source text-to-speech model developed by Resemble AI. It is presented as a free advanced text to speech service for generating high-quality voice synthesis, and the site says it can be used without registration and without a credit card to get started. The intended users named on the page are content creators, developers, and everyday users.

The product supports multiple languages and voice styles. Its interface accepts text to convert, and the usage instructions say it also supports detailed prompts so a user can specify tones, emotions, or contexts. Chatterbox TTS includes voice settings for emotional intensity, pitch, and voice style, and it offers zero-shot voice cloning by uploading reference audio. The page also lists additional controls for exaggeration, CFG weight or pace, random seed, and temperature. Examples on the site describe its output as expressive and context-aware.

Audio is generated through a playground-style web interface. The page says generated audio files can be viewed in a dashboard, and the output can be downloaded in formats such as WAV or MP3. It also states that generation happens in seconds and that the generated audio includes a watermark for responsible AI use. The site mentions support for multiple file types and says those files can fit uses ranging from web applications to professional audio production suites.

Access is described as free, with a bonus of 2 credits shown on the page. The service also points to GitHub and labels Chatterbox TTS as open source. Its class of tool is text-to-speech, specifically an AI voice synthesis model.