India, Oct. 29 -- Karan Goel, an IIT Delhi alumnus and Stanford-trained AI researcher, is creating buzz online after his US-based startup Cartesia announced a major funding round and a breakthrough in real-time voice technology.

Taking to X, Goel announced that Cartesia has raised $100 million from top-tier investors including Kleiner Perkins, Index Ventures, Lightspeed and NVIDIA. He also announced the launch of its new voice model, Sonic-3, which claims to be one of the fastest voice AI models currently available.

Goel explained that Sonic-3 delivers breakthrough naturalness with emotional range, supports 42 languages, and achieves 190ms end-to-end latency, which is significantly faster than most transformer-based systems used by comp...