// scorecard · 46/100
verified 1mo agoAgent-readiness20/35
Agent registration (api_key)6/9
Public API5/5
OpenAPI spec0/9
MCP server9/9
llms.txt0/3
Reliability & performance0/15
Actively maintained—
Production-ready0/4
Updated recently—
Pricing12/13
Itemized public pricing6/6
Free tier / trial4/4
Free-tier generosity2/3
Docs & DX2/12
Docs quality—
Public API2/2
Quickstart / examples0/2
Security & compliance8/12
SOC 26/6
ISO 270010/2
GDPR0/2
Security / trust page2/2
Openness4/10
Open source0/6
Open / un-gated API4/4
Company maturity0/3
Company size—
Years operating—
// rankings · cost per standard workload
// overview
Cartesia offers real-time speech models Sonic-3.5 (text-to-speech) and Ink-2 (speech-to-text) purpose-built for voice agents, along with the Line platform to build and deploy enterprise voice agents. Models run on State Space Models (SSMs) for low latency and synchronous interactions, with deployment options across cloud, on-premise, and on-device. It targets use cases in finance, healthcare, government, and customer support with features like voice cloning.
Best for: Enterprise voice agents and real-time speech/transcription applications in regulated industries
// pricing
Free tier · generosity 3/5
Includes: 20K credits / month · $1 prepaid agents / month
Limits: Limited to basic features
Free$0 /mo
- 20K credits / month
- $1 prepaid agents / month
Pro$5 /mo
- 100K credits / month
- Commercial use license
Startup$49 /mo
- 1.25M credits / month
- Pro voice cloning
Scale$299 /mo
- 8M credits / month
- Priority support
- High concurrency limits
EnterpriseCustom
- Custom credits & agent usage
- DPAs and BAAs
- SSO
- Shared Slack channel
// security & compliance
✓ SOC 2✗ ISO 27001✗ GDPR✗ HIPAA
// features
- Sonic-3.5 text-to-speech
- Ink-2 streaming speech-to-text
- Line voice agents platform
- Instant and professional voice cloning
- Cloud/on-premise/on-device deployment
- Built on State Space Models (SSMs) including Mamba