PolyAI Releases Dialog-RSN-1: An Audio-Native Dialog Model That Fuses Turn-Taking, Speech Recognition, Function Calling, And Response
PolyAI has introduced Dialog-RSN-1, a dialog model that perceives the caller’s audio directly instead of reading a transcript. It fuses turn-taking, speech recognition, function calling and response generation into one audio-native model, and is already handling live production calls. Key Takeaways Dialog-RSN-1 is audio-aware on the input side only; TTS stays separate, so the output voice remains controllable. It runs as a request-based LLM probed on demand, not an always-on str
Dialog-RSN-1 is an audio-native dialog model that processes a caller's audio directly rather than relying on transcripts, combining turn-taking, speech recognition, function calling, and response generation into a single system. Unlike previous approaches that either lose audio information early in processing or bake voices into the model itself, Dialog-RSN-1 keeps audio input separate from voice output, allowing the voice to remain controllable while the model reasons over raw sound. The system is designed for enterprise use in high-call-volume industries such as restaurants, insurance, and financial services, with reported response times under 300 milliseconds and improvements in metrics like containment and latency. The model is currently available only through the company's platform for existing customers, not as open-source weights or a public API.
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