Cartesia Sonic

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Cartesia Sonic is ranked #5 of 214 in text-to-speech software on Inferse, made by Cartesia Sonic (San Francisco, California, United States). It runs on API, Web. There is a free plan. Paid plans start at $5/mo.

Compared on text-to-speech software

Free plan: Yescartesia.ai
Paid from: $5/mocartesia.ai
Voice cloning: Yescartesia.ai
Commercial use: Yescartesia.ai
API access: Yescartesia.ai

Facts

Free plan: Yescartesia.ai · 20 Sept 2026
Paid from: 5cartesia.ai · 20 Sept 2026
Commercial use: Yescartesia.ai · 20 Sept 2026
Voice cloning: Yescartesia.ai · 20 Sept 2026
API access: Yescartesia.ai · 20 Sept 2026
Platforms: web,apicartesia.ai · 20 Sept 2026
Product: Sonic is a text-to-speech model for real-time voice applications.cartesia.ai · 1 Oct 2026
Latency: Sonic has sub-90ms latency.cartesia.ai · 1 Oct 2026
Languages: Sonic supports 44 languages.cartesia.ai · 1 Oct 2026
Emotion: Sonic interprets emotional subtext and can insert non-verbal expressions such as laughter into transcripts.cartesia.ai · 1 Oct 2026
Voice cloning: Instant voice cloning can use 10 seconds of audio, while Pro Voice Clone training uses 30 minutes or more from one speaker.cartesia.ai · 1 Oct 2026
Localization: Sonic can localize an audio clip into other languages while carrying over emotion, tone, and speaker identity.cartesia.ai · 1 Oct 2026
Pronunciation: Custom pronunciation dictionaries let users specify pronunciations for proper nouns and domain terms.cartesia.ai · 1 Oct 2026
Integrations: Managed Agents can use Cartesia-provisioned numbers, import Twilio numbers, or connect a carrier over SIP.cartesia.ai · 1 Oct 2026
Voice agents: Managed Agents combine Ink-2 speech-to-text, a chosen LLM, and Sonic-3.6 text-to-speech with turn-taking and interruption handling.cartesia.ai · 1 Oct 2026
Security: Cartesia lists HIPAA compliance, SOC 2 Type 2, GDPR, and PCI on the Sonic page.cartesia.ai · 1 Oct 2026
Deployment: Cartesia says Sonic can be deployed on-premise, in a customer VPC on AWS, GCP, or Azure, or through OEM licensing.cartesia.ai · 1 Oct 2026
Support: Cartesia's documentation directs users to Discord to chat with the Cartesia team and community for help.docs.cartesia.ai · 1 Oct 2026
Concurrency: The Free plan lists two concurrent Sonic text-to-speech requests, while Pro lists three.cartesia.ai · 1 Oct 2026