AI MARKET MAP

Cartesia

https://cartesia.ai/ Research Team Data
Active

Real-time speech and transcription model platform for voice agents, offering Sonic TTS, Ink STT, and enterprise voice-agent APIs.

Cartesia provides Sonic text-to-speech, Ink speech-to-text, voice-agent APIs and real-time speech models optimized for low latency, quality, enterprise-grade scale and integration into live voice-agent systems.

Positioning

Real-time speech models purpose-built for voice agents

Key facts

HQ location
San Francisco, CA, USA
Founded
2023
Employee range
51-200 (51-200)
Funding stage
Series A
Company type
Private (Private)
Pricing model
Freemium Usage Based (Free tier; Pro $5/mo; usage-based credits/agent minutes; enterprise plans)
Last updated
Jun 21, 2026

Revenue estimate

Unknown / not publicly disclosed

Valuation estimate

Unknown

Investments

$64M Series A announced Mar 2025; $91M total funding reported; later 2025/2026 round reports unverified

Target customers

Developers, AI agent companies and enterprises building real-time voice agents

Key competitors

ElevenLabs, Deepgram, Hume AI, OpenAI, PlayHT

Known customers

Quora, Cresta, Rasa, ServiceNow, Sierra

Classification (raw research text)

Core focus
Voice AI infrastructure
Core industry
AI infrastructure / voice AI
Core category
STT/TTS and voice agent infrastructure

Shown verbatim from the research spreadsheet — deriving structured segment/industry tags from this text is a future phase.

Attribute breakdown

  • AI Workflows Secondary feature
  • AI Automation / Business Process Automation Secondary feature
  • AI Fine-tuning / Custom Model Training Secondary feature
  • Agent Builder / Agent Configuration Secondary feature
  • System / API Integration Secondary feature
  • Prompt Management / Prompt Engineering Secondary feature
  • Retrieval-Augmented Generation Secondary feature
  • AI / LLM Data Pipeline Secondary feature
  • Model Deployment / Inference Infrastructure Primary focus
  • AI Quality Assurance / LLM Evaluation Secondary feature
  • AI Observability / Monitoring Secondary feature
  • AI Security / Guardrails Secondary feature
  • Data Privacy / PII / Confidential AI Secondary feature
  • AI Governance / Policy Management Secondary feature
  • AI Risk / Compliance Secondary feature
  • Human-in-the-Loop Review / Feedback Secondary feature
  • Call Transcription / Speech-to-Text Data Capture Secondary feature
  • Conversation Intelligence / Speech Analytics Secondary feature
  • Voice AI Agents Primary focus
  • Voice Infrastructure / STT / TTS Primary focus
  • AI for Customer Experience / Support Automation Secondary feature
  • Analytics / BI / Decision Intelligence Secondary feature
  • Enterprise App / Internal Tool Builder Secondary feature
  • Vertical-Specific AI Secondary feature
Show all 32 attributes
  • AI Workflows Secondary feature
  • AI Automation / Business Process Automation Secondary feature
  • AI Fine-tuning / Custom Model Training Secondary feature
  • Agent Builder / Agent Configuration Secondary feature
  • Multi-agent Orchestration / Runtime Not emphasized
  • System / API Integration Secondary feature
  • Prompt Management / Prompt Engineering Secondary feature
  • Retrieval-Augmented Generation Secondary feature
  • Graph RAG / Knowledge Graph Retrieval Not emphasized
  • Enterprise Search / Knowledge Management Not emphasized
  • AI / LLM Data Pipeline Secondary feature
  • Document AI / Document Processing Not emphasized
  • Model Deployment / Inference Infrastructure Primary focus
  • Traditional Machine Learning Not emphasized
  • AI Quality Assurance / LLM Evaluation Secondary feature
  • AI Observability / Monitoring Secondary feature
  • AI Security / Guardrails Secondary feature
  • Data Privacy / PII / Confidential AI Secondary feature
  • AI Governance / Policy Management Secondary feature
  • AI Risk / Compliance Secondary feature
  • AI Asset Inventory / Model Registry Not emphasized
  • Human-in-the-Loop Review / Feedback Secondary feature
  • Call Transcription / Speech-to-Text Data Capture Secondary feature
  • Conversation Intelligence / Speech Analytics Secondary feature
  • Text Chatbots / Conversational Assistants Not emphasized
  • Voice AI Agents Primary focus
  • Voice Infrastructure / STT / TTS Primary focus
  • AI for Customer Experience / Support Automation Secondary feature
  • Sales / Revenue Intelligence Not emphasized
  • Analytics / BI / Decision Intelligence Secondary feature
  • Enterprise App / Internal Tool Builder Secondary feature
  • Vertical-Specific AI Secondary feature