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OpenAI Unveils GPT-4o: Real-Time Multimodal AI Shifts Human-Computer Interaction Paradigm

OpenAI has launched GPT-4o, its first natively multimodal large language model capable of processing text, audio, and vision in real-time with human-like response speeds. The flagship model dramatically improves reasoning, multilingual support, and emotional intelligence while cutting API costs by 50%, signaling a transformative leap in conversational AI.

Inside Vapi's War on Latency: How Real-Time Voice AI Became Blazing Fast

Vapi's engineering team reveals their battle-tested strategies for slashing latency in voice AI systems. By overhauling audio pipelines, optimizing WebRTC protocols, and rethinking backend architecture, they achieved 2x performance gains – a masterclass in real-time system optimization.