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NineNineSixNovember 28, 2025

KaniTTS2-en

Open Source
Audio
TTS

Explore KaniTTS2-en

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### TL;DR

KaniTTS2-en is an open-source text-to-speech model developed by NineNineSix, optimized for real-time conversational AI applications. It utilizes a two-stage pipeline combining a large language model with an efficient audio codec to deliver high-quality, low-latency speech synthesis.

Key Insights & Metrics

Pricing
Free
Cost structure
Version
1.0
Current release version
Hardware
NVIDIA RTX 5080 GPU with 3GB VRAM
Compute requirements
Category
Open Source
Licensing model
Region
Unknown
Primary region

Key Features

  • Two-stage pipeline combining LLM and FSQ audio codec
  • Model size of 400 million parameters
  • Supports English language with a sample rate of 22kHz

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