Cartesia AI

Founded by Karan Goel in 2021

Generate realistic speech and transcribe audio in real time for conversational applications

Pricing model

Free Tier, Paid

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use Cartesia to convert text into realistic streaming speech and transcribe audio in real time. The service offers low-latency voice synthesis across dozens of languages, complete with natural expressions like laughter. You can also build interactive voice agents for customer support, inbound inquiries, and fraud detection calls. Cartesia lets you deploy these speech models across cloud endpoints, on-premise servers, or directly on user devices to meet strict privacy and speed requirements. It gives developers high-speed audio primitives for conversational voice products.

What Cartesia AI does

Synthesize expressive spoken audio from textTranscribe live incoming audio streamsConfigure regional API endpoints for low-latency inferenceBuild automated conversational phone agentsGenerate voice output featuring laughter and emotionDeploy transcription and speech models on local hardwareStream text-to-speech with ultra-low conversational latencyGenerate realistic human laughter and vocal inflectionsTranscribe streaming spoken audio with high accuracySupport real-time speech generation across 44 languagesDeploy models across cloud, on-premise servers, or on-device environmentsBuild and run managed voice agents for automated phone calls