Dia2 is a streaming dialogue text-to-speech model created by Nari Labs for generating conversational audio in real time. It is designed to begin producing speech before receiving the entire input text, which makes it useful for interactive voice applications. The model supports audio conditioning, allowing generated speech to follow a reference voice or conversational style more naturally. Dia2 provides 1B and 2B model checkpoints along with inference code for research and experimentation. It currently focuses on English generation and supports up to two minutes of generated audio. Its main value is enabling low-latency, dialogue-oriented TTS workflows where timing, turn-taking, and natural conversation matter.

Features

  • Streaming dialogue TTS model
  • Real-time conversational audio generation
  • Audio-conditioned speech output
  • 1B and 2B model checkpoints
  • English-focused generation support
  • Research-oriented inference code

Project Samples

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License

Apache License V2.0

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Dia2 Web Site

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Additional Project Details

Programming Language

Python

Related Categories

Python Text-to-Speech (TTS) Models

Registered

1 day ago