Cartesia
Free tierArchitecting AI that learns and interacts like humans — ultra-low latency voice AI
Free tier available·All audiences·Powered by Cartesia·API available
Key strengths
Ultra-low latency real-time voice models built on State Space Models (SSMs)Full-stack voice platform: STT (Ink), TTS (Sonic), and voice agents (Line)Flexible deployment: cloud, on-premise, and on-deviceEnterprise-grade compliance with in-region data residency supportPioneer of Mamba & H-Net architectures for efficient large-scale inference
Free tier + paid plans
Self-hostable
No ratings yet
- Real-time streaming TTS pipelines: Integrate Sonic via the streaming API to synthesize low-latency speech in live telephony or WebRTC applications.
- Speech-to-text transcription services: Use Ink for high-accuracy, streaming ASR in call center analytics, meeting transcription, or voice command interfaces.
- Voice agent orchestration: Build end-to-end conversational agents with Line, connecting STT → LLM → TTS in a single low-latency pipeline.
- On-device voice inference: Deploy Cartesia models at the edge for mobile apps or robotics requiring offline, private speech processing.
- Enterprise VPC deployment: Host Sonic and Ink within your own infrastructure to meet data residency, HIPAA, or FedRAMP compliance requirements.
- Voice cloning & synthesis: Use Cartesia's voice conversion and cloning APIs to create branded or personalized voice identities for products.