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Nemotron Labs VoiceChat

NVIDIAOpen WeightsPending Human Review

Nemotron Labs VoiceChat is an open-weight full-duplex voice assistant that combines a streaming Conformer speech encoder, Nemotron Nano v2 language model, and speech decoder. It can listen and speak during an ongoing conversation and emit structured function calls through a separate output channel. The released 11B system is intended for spoken-assistant research and customization, including interaction timing and tool use. The weight card dates public distribution to August 3, 2026; earlier service previews do not establish the availability of this exact downloadable checkpoint.

2026-08-03
11B
Hybrid Mamba/Transformer language backbone with Conformer encoder and speech decoder
OpenMDW-1.1

Specifications

Parameters
11B
Architecture
Hybrid Mamba/Transformer language backbone with Conformer encoder and speech decoder
License
OpenMDW-1.1
Type
multimodal
Modalities
textaudio

Benchmark Scores

Advanced Specifications

Model Family
Nemotron
API Access
Not Available
Chat Interface
Not Available

Capabilities & Limitations

Capabilities
full-duplex spoken dialoguestreaming speechfunction calling
Known Limitations
Real-time behavior depends on serving and audio infrastructureCheckpoint release differs from earlier previews
Notable Use Cases
voice-assistant researchspoken tool interfaces
Function Calling Support
Yes

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