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resemble-ai/chatterbox
OfficialView on Replicate →
Generate expressive, natural speech. Features unique emotion control, instant voice cloning from short audio, and built-in watermarking.
Capabilities
Seed
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
prompt* | string | Text to synthesize | — | — |
audio_prompt | string(uri) | Path to the reference audio file (Optional) | — | — |
cfg_weight | number | CFG/Pace weight | 0.5 | min: 0.2, max: 1 |
exaggeration | number | Exaggeration (Neutral = 0.5, extreme values can be unstable) | 0.5 | min: 0.25, max: 2 |
seed | integer | Seed (0 for random) | 0 | — |
temperature | number | Temperature | 0.8 | min: 0.05, max: 5 |
promptrequiredstringText to synthesize
audio_promptstringPath to the reference audio file (Optional)
cfg_weightnumberCFG/Pace weight
Default:
0.5min: 0.2, max: 1exaggerationnumberExaggeration (Neutral = 0.5, extreme values can be unstable)
Default:
0.5min: 0.25, max: 2seedintegerSeed (0 for random)
Default:
0temperaturenumberTemperature
Default:
0.8min: 0.05, max: 5Version:
1b8422bc4963Updated: 7/25/2026228.2K runs
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