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NVIDIA NemotronLabs VoiceChat 11B: real-time open voice conversation with tool calling

Hardware & accelerators
NemotronLabs VoiceChat 11B is an end-to-end full-duplex voice model: audio understanding and generation in a single architecture, without the cascaded ASR→LLM→TTS stack. It is the first open full-duplex model to support tool calling while keeping the natural flow: ~450ms responses, interruptions, and natural turns. The code is on GitHub.

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