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Model ID: qwen/qwen3-tts-customvoice | Endpoint ID: qwen3-tts | Parameters: 1.7B | Released: 2026-01-22

Overview

Qwen3-TTS-12Hz-1.7B-CustomVoice is a multilingual text-to-speech model from the Qwen3 family. With 1.7 billion parameters, it delivers high-quality speech synthesis across English, Chinese, Japanese, and Korean. The model features 9 preset voices and supports custom voice cloning, making it versatile for various applications. Operating at a 12Hz token rate, it provides efficient audio generation while maintaining natural-sounding output.

Air API Playground

Try the model in the playground.

Deploy with Container

Deploy with AIR Container.

API Usage Guide

Learn how to use the API.

Pricing

TTS models are billed by input characters, not tokens.

Key Features

  • 1.7B parameter model with high-quality multilingual speech synthesis
  • Supports English, Chinese, Japanese, and Korean
  • 9 diverse preset voices with custom voice capability
  • 12Hz token rate for efficient audio generation
  • Built on Qwen3 architecture with strong language understanding

Use Cases

Narration Generation

Generate natural voice narration for video content and audiobooks. Input Text:
Life is like a box of chocolates. You never know what you’re gonna get.

Voice Announcements

Create voice announcements and notifications with various voice styles. Input Text:
Your order has been confirmed and will be delivered within 3 business days.

Conversational AI Voice

Generate natural voice responses for chatbots and virtual assistants. Input Text:
I’d be happy to help you with that! Let me check your account details.

Parameters

Quick Start

1

Get your API key

Generate an API key from your AirCloud account.
2

Run the code

Replace YOUR_API_KEY with your actual key and choose your preferred language.

Tags

open-source tts 1.7B custom-voice multilingual multi-voice