NVIDIA released Nemotron3Diarization, a free lightweight AI model with 100 million parameters for speech segmentation. It tops VoiceArena benchmarks with 14.72% error rate and supports real-time processing of up to eight simultaneous speakers. The model offers dynamic audio buffer settings for latency-accuracy balance and integrates with Parakeet for automated transcription with anonymous speaker tags. This release lowers technical barriers for applications like real-time meeting records and smart customer service, accelerating multi-speaker identification deployment in edge devices and commercial scenarios.