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Sonic 2

Published
Mar 7, 2025

Sonic 2 is an AI model developed by Cartesia (United States), first published in March 2025. It works in the speech domain, on tasks such as text-to-speech (tts) and speech synthesis.

Epoch AI has no training-compute estimate for this model.

Access: API access. Its weights are not openly released.

Full record
Organization
Cartesia
Country of organization
United States
Domain
Speech
Task
Text-to-speech (TTS), Speech synthesis
Model accessibility
API access
Open weights
No
More from Cartesia
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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