PersonaPlex
github.com/nvidia/personaplex- Category
- AI Tools
- Pricing
- Open Source
- Type
- TOOL
- Builder
- nvidia
- GitHub
- 10.3k stars
- Added
- Apr 17, 2026
About
A real-time, full-duplex speech-to-speech conversational AI model that enables persona control through text-based role prompts and audio-based voice conditioning. Trained on synthetic and real conversations, it produces natural, low-latency spoken interactions with consistent personas.
Why it made the leaderboard
PersonaPlex represents a significant advancement in conversational AI with its full-duplex speech-to-speech capabilities and sophisticated persona control through both text and voice conditioning. The NVIDIA backing, impressive GitHub stars (7556), and real-time low-latency performance with natural interruption handling differentiate it meaningfully from existing voice AI tools. The persona control feature enabling different roles from teacher to customer service rep adds genuine utility beyond generic voice assistants.
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