Sonic 3 is Cartesia's text to speech model. A low-latency TTS model supporting 40+ languages with accent localization and emotional expressiveness controls.
Specifications
Canonical IDcartesia-sonic-3
TypeText to Speech
StatusActive
CreatorCartesia
Input ModalitiesText
Output ModalitiesAudio
Benchmarks
Elo Rating
1082
#152

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Sonic 3Current
Sonic 3.5Available
Sonic EnglishAvailable

Model IDs