Cartesia's Sonic-3 Redefines Real-Time Voice AI

Artificial intelligence company Cartesia has launched Sonic-3, its next-generation voice AI engine that sets new benchmarks for real-time conversational interfaces. The platform delivers unprecedented sub-100 millisecond latency while capturing human speech patterns with remarkable accuracy.

Technical Breakthroughs

The breakthrough stems from Cartesia's adoption of a State Space Model (SSM) architecture, departing from conventional Transformer models. This innovation enables:

• Contextual memory retention eliminating repetitive processing
• Emotional tone modulation including laughter and inflection shifts
• 97% reduction in latency compared to previous generation models

Global Language Support & Features

Sonic-3 demonstrates impressive multilingual capabilities:

• Supports 42 languages covering 95% of global population
• Includes 9 Indian dialects for regional market penetration
• Intelligent pronunciation of acronyms (NASA, FBI)

The platform offers enterprise-grade customization:

• 10-second voice cloning for personalization
• Brand-specific vocal tuning services 2em;">AI News · 4 min read · Oct 29, 2025<path fill-rul