resemble-ai/chatterbox-pro

Generate expressive, natural speech with Resemble AI's Chatterbox.

Capabilities

Seed

Community model (estimated from hardware time)

Name	Type	Description	Default	Constraints
`prompt` *	string	Text to synthesize	`—`	—
`custom_voice`	string	The uuid of the voice to use (this overrides the voice selection)	`—`	—
`exaggeration`	number	Exaggeration (Neutral = 0.5, extreme values can be unstable)	`0.5`	min: 0.1, max: 1
`pitch`	string	Pitch	`"medium"`	x-low low medium high x-high
`seed`	integer	Random seed. Set for reproducible generation	`—`	—
`temperature`	number	Temperature	`0.8`	min: 0.1, max: 5
`voice`	string	Choose a predefined voice	`"Luna"`	Luna Ember Hem Aurora Cliff Josh William (Whispering) Orion Ken

prompt required string

Text to synthesize

custom_voice string

The uuid of the voice to use (this overrides the voice selection)

exaggeration number

Exaggeration (Neutral = 0.5, extreme values can be unstable)

Default: 0.5 min: 0.1, max: 1

pitch string

Pitch

Default: "medium"

x-low low medium high x-high

seed integer

Random seed. Set for reproducible generation

temperature number

Temperature

Default: 0.8 min: 0.1, max: 5

voice string

Choose a predefined voice

Default: "Luna"

Luna Ember Hem Aurora Cliff Josh William (Whispering) Orion Ken

Version: 301e12652e84 Updated: 2/26/2026 18.1K runs