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resemble-ai/chatterbox

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

prompt required string

Text to synthesize

audio_prompt string

Path to the reference audio file (Optional)

cfg_weight number

CFG/Pace weight

Default: 0.5 min: 0.2, max: 1
exaggeration number

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

Default: 0.5 min: 0.25, max: 2
seed integer

Seed (0 for random)

Default: 0
temperature number

Temperature

Default: 0.8 min: 0.05, max: 5
Version: 1b8422bc4963 Updated: 2/26/2026 228.2K runs