Dia 1.6B TTS
Ultra-Realistic AI Voice Model for Dialogue
Dia 1.6B TTS launched on May 17, 2025 with 15 votes, #1,017 of 7,905 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Dia TTS is a 1.6B parameter open-source text-to-speech model by Nari Labs. It generates ultra-realistic, emotionally expressive speech, including non-verbal cues like laughter and sighs. Ideal for creators, developers, and researchers.
Create, transform, and clean production-ready audio in one AI workspace — voice generation, cloning, covers, stem separation, denoising, sound effects, and more.
Generate or clone voices, create sound effects and song covers, separate stems, reduce noise, and transcribe audio—all online, with no software to install. From multi-speaker dialogue to natural conversation and expressive delivery, click any sample to play. Type a script or sound prompt, or upload a recording, song, or reference voice. Pick the focused workflow for generating, transforming, separating, or cleaning your audio. Listen to the result, adjust the input or settings, and create the version that fits your project. Download ready-to-use files and keep every result organized in My Creations. Purchase Dia TTS credits for AI voice generation, music, and audio tools. Everything you…from dia-tts.com
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Dia, an open-weights TTS model for generating realistic dialogue2025 · github.com · ▲652A TTS model capable of generating ultra-realistic dialogue in one pass. - nari-labs/dia
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