Real-time text-to-speech API with natural AI voices, laughter, and emotion in 40+ languages — built for AI agents and interactive apps.
Cartesia provides Sonic-3, a real-time streaming text-to-speech API that generates natural, expressive voices with AI-powered laughter and emotion. Supporting 40+ languages, it's designed for AI agents, interactive apps, and any application that needs lifelike voice synthesis with low latency.
Cartesia provides Sonic-3, a real-time streaming text-to-speech API that generates natural, expressive voices with AI-powered laughter and emotion. Supporting 40+ languages, it's designed for AI agents, interactive apps, and any application that needs lifelike voice synthesis with low latency.
Tags: AI, AI Generation
Try CartesiaSonic-3 is Cartesia's streaming text-to-speech API that generates natural voices with laughter and emotion in 40+ languages.
Cartesia offers a freemium model — check their site for current pricing and free tier limits.