Sonic

AI文本转语音 AI语音克隆与变声免费+付费B+898K

Real-time TTS API with AI laughter and emotion

实时语音AI语音AI语音识别语音模型网页版 (Web)

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产品介绍

产品是什么

Cartesia is a real-time TTS API powered by Sonic-3.6, built on State Space Model architecture. It generates natural, expressive voices with AI laughter and emotion in 44 languages for AI agents and interactive apps. Sonic delivers sub-90ms latency with streaming playback before full generation, plus lower cost and higher concurrency than transformer models.

Deployment options include cloud API, on-prem, VPC on AWS/GCP/Azure, and OEM licensing, with SOC 2 Type II, HIPAA eligibility, GDPR compliance, and zero data retention. Voice cloning ranges from instant (under a minute of audio) to professional (15–30 minutes), and ranks #1 on blind naturalness benchmarks.

如何使用

1. Sign up for a Cartesia plan on the pricing page—start with the free tier that includes 20K credits for evaluation and personal use. 2. Create a voice by uploading a clean reference sample: under a minute for Instant Voice Cloning or 15–30 minutes for Professional Voice Cloning, with verified consent from the speaker. 3. Integrate the Sonic-3.6 streaming TTS API into your application so playback begins before the full response is generated. 4. Select a deployment model: cloud API, on-prem/VPC on AWS/GCP/Azure, or OEM licensing to embed Sonic into your product. 5. Scale production usage by upgrading to paid plans for higher concurrency or contacting sales for enterprise contracts with compliance terms and SLAs.

核心功能

Real-time streaming: Sub-90ms model latency with streaming support that lets playback begin before the full response is generated.

AI laughter and emotion: Generate natural, expressive voices with realistic laughter and emotional expression.

44 languages: Built-in multilingual TTS support for global products and AI agents.

SSM-based architecture: State Space Model design delivers lower cost and higher concurrency than transformer-based TTS models.

Top-rated naturalness: Ranked #1 on third-party blind benchmarks with superior accuracy on alphanumerics and heteronyms.

Flexible deployment: Deploy via cloud API, on-prem/air-gapped, VPC on AWS/GCP/Azure, or OEM licensing.

Voice cloning: Instant cloning from under a minute of audio or professional cloning from 15–30 minutes, with verified consent.

Enterprise security: SOC 2 Type II, HIPAA-eligible with BAA, GDPR-compliant, and zero data retention options.

Scalable plans: Free tier with 20K credits, self-serve production plans, and enterprise contracts with higher SLAs.

目标用户

Builders of AI agents and interactive voice applicationsEnterprise and government organizations needing on-prem, VPC, or air-gapped deploymentHealthcare, financial services, and regulated industries requiring HIPAA/GDPR and zero data retentionHigh-volume production teams needing low latency at scaleProduct teams creating custom or cloned voices for brand experiencesEarly-stage startups eligible for the startup grants program