Overview
Cartesia Sonic is the fastest enterprise text-to-speech model for real-time conversations, delivering human-quality voice generation with 90ms latency - 2-3x faster than alternatives. Sonic enables businesses to deploy ultra-realistic voice agents across customer service, healthcare, financial services, entertainment, and many more applications with perfect accuracy on complex phrases that typically challenge AI models.
Sonic is powered by State Space Models (SSMs), a breakthrough AI architecture pioneered by Cartesia's founding team during their PhDs at Stanford. Featured in TIME AI 100 2024, this transformer alternative enables high-quality generation at unprecedented speeds and lower costs. SSMs are particularly suited for voice generation, allowing Sonic to achieve its industry-leading 90ms latency while maintaining natural speech quality.
Highlights
- Industry-Leading Performance: 90ms time-to-first-audio with best-in-class voice quality, ranked #1 on Labelbox's leaderboard for speech quality, word error rate, and naturalness
- Enterprise-Ready: SOC 2 Type 2, HIPAA, Level 2 PCI Compliance, and SSO, with global deployments, on-premise, on-device, and custom SLAs
- Global Reach: Seamless speech generation across 13 languages with built-in localization API, perfect for international deployment
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Pricing
Dimension | Description | Cost/month | Overage cost |
---|---|---|---|
Pro | Pro Plan which includes 100K characters | $5.00 | |
Startup | Startup Plan which includes 1.25 Million characters | $50.00 | |
Scale | Scale Plan which includes 8 Million characters | $304.00 | |
Enterprise Tier 1 | Enterprise Tier 1 plan which includes 50 Million characters with Slack support and unlimited concurrency | $1,750.00 | |
Enterprise Tier 2 | Enterprise Tier 2 plan which includes 100 Million characters with custom rate limits, security review, SLA assurance and priority for Alpha launches | $3,000.00 | |
Enterprise Tier 3 | Enterprise Tier 3 plan which includes 500 Million characters | $12,500.00 | |
Enterprise Tier 4 | Floor Pricing plan which includes 1 Billion characters | $20,000.00 |
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All fees are non-refundable and non-cancellable except as required by law.
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