cartesia.ai

Overview

Cartesia.ai is a multimodal intelligence platform that enables real-time, on-device inference with a focus on privacy and dynamic learning. It features a generative voice API for ultra-realistic audio outputs, making it suitable for diverse applications across various devices.

From the official site

Integrate real-time text-to-speech with Sonic-3.6, Cartesia

The text above is quoted from this tool’s official website — the vendor’s own words.

Key points from the official site

• AI Voice Generator
• Text to Speech API

The points above are quoted from this tool’s own website sections and feature lists — vendor copy, not our review.

Official FAQ

What makes Cartesia the best realtime TTS compared to other TTS models?

Cartesia is the only model where you don't have to pick between quality and speed. Our models are built on State Space Model (SSM) architecture — a fundamentally different approach to transformers, pioneered by our founding team at Stanford. For text-to-speech, this translates into three things that matter at production scale: lowest latency in the market (Sonic delivers sub-90ms model latency, wi

Can Cartesia run on-prem or in my own cloud (VPC)?

Yes, and this is one of the main reasons enterprise and government buyers choose Cartesia. Sonic-3.6 can be deployed on-prem inside your data center (including air-gapped environments), in your own VPC on AWS/GCP/Azure, or via OEM licensing for embedding Sonic directly into your product. This makes Cartesia viable for government contracting, regulated industries (healthcare, financial services, in

How does Cartesia handle data privacy, compliance, and security?

Cartesia is built for enterprise and regulated industry deployments. Our compliance posture includes SOC 2 Type II, HIPAA-eligible (with BAAs available for healthcare customers), GDPR-compliant, zero data retention available for enterprise customers across eligible services, and on-prem/VPC deployment for customers with strict data residency, sovereignty, or air-gapped requirements. Our Data Prote

Can I create voices with Cartesia?

You can clone voices you have the right to clone. Cartesia offers Instant Voice Cloning from a short reference sample (under a minute of clean audio), Professional Voice Cloning from longer reference audio (15–30 minutes) for the highest-fidelity clones in production, and custom voice development under enterprise contracts for customers building branded voices at scale. All voice clones require ve

What do Cartesia's plans cost, and what's included?

Cartesia offers plans across three tiers. Free: for evaluation and personal use, includes 20K credits and access to Sonic, the API, voices, and Instant Voice Cloning. Paid self-serve plans: for teams shipping to production, includes commercial usage rights, higher credit allotments, higher concurrency, and faster generation; pricing is at https://www.cartesia.ai/pricing . Enterprise: for high-volu

When should I contact Sales?

Reach out to the Cartesia team if you're running high-volume production workloads (>50M credits); you need on-prem, VPC, or OEM deployment; you need a BAA, zero data retention, or other contractual compliance terms for healthcare, financial services, or regulated sectors; or you're in government, federal, or public sector procurement. For everything else — evaluation, prototyping, smaller producti

These questions and answers come from the tool’s own structured data, not written by us.

How to use it

1. Register at cartesia.ai and read the quick-start documentation
2. Create a test project and run the first example end to end
3. Adjust parameters and invocation patterns to fit your requirements
4. Once stable, connect it to production with error handling and rate limiting