As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/qwen3-tts/

# Qwen3-TTS (open weights 0.6B / 1.7B; API qwen3-tts-flash)

Alibaba (Qwen), Qwen3-TTS family. Status: current. Type: speech and audio. Released: 2026-01-22.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Hugging Face | `Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice` |  | https://huggingface.co/Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice |
| Hugging Face | `Qwen/Qwen3-TTS-12Hz-1.7B-VoiceDesign` |  | https://huggingface.co/Qwen/Qwen3-TTS-12Hz-1.7B-VoiceDesign |
| GitHub |  |  | https://github.com/QwenLM/Qwen3-TTS |
| Alibaba Cloud Model Studio | `qwen3-tts-flash` |  | https://www.alibabacloud.com/help/en/model-studio/qwen-tts |
| Alibaba Cloud Model Studio (instruct / voice design / voice clone) | `qwen3-tts-instruct-flash` |  | https://www.alibabacloud.com/help/en/model-studio/qwen-tts |

## Pricing

- Price not published.
- Last checked: 2026-09-29

## Specs

- Input: text, audio
- Output: audio
- Context window: not published
- Max output: not published
- Open weights: yes
- Licence: apache-2.0

## Where it stands

- Newer speech and audio models in the registry since its release: 71. The 5 newest:
  - NVIDIA Nemotron 3.5 Transcribe (30B-A4B) (2026-10-28) https://postcutoff.com/m/nemotron-3-5-transcribe/
  - Hy-SimulMT-30B-A3B (2026-10-22) https://postcutoff.com/m/hy-simulmt-30b-a3b/
  - Eleven Realtime v1 Max / Mini (2026-10-20) https://postcutoff.com/m/eleven-realtime-v1-max/
  - Voxtral Mini Transcribe 3 (+ Mini Transcribe Realtime 3) (2026-10-20) https://postcutoff.com/m/voxtral-mini-transcribe-3/
  - Voxtral Small Transcribe 3 (2026-10-20) https://postcutoff.com/m/voxtral-small-transcribe-3/
- After it from Alibaba: Qwen3-ASR (0.6B / 1.7B) + Qwen3-ForcedAligner (2026-01-29) https://postcutoff.com/m/qwen3-asr/
- Weights are public under a permissive licence (Apache-2.0).

## What stands out

- Open-weights voice design and 3-second cloning: Voice design from natural-language descriptions and voice cloning from ~3 s of audio, in 10 languages (zh, en, ja, ko, de, fr, ru, pt, es, it). Source: https://github.com/QwenLM/Qwen3-TTS
- 97 ms streaming latency: 12 Hz multi-codebook tokenizer; first audio packet after a single input character, end-to-end latency as low as 97 ms; one model for streaming and non-streaming. Source: https://arxiv.org/abs/2601.15621

## Notes

HF repos: Qwen3-TTS-12Hz-{1.7B,0.6B}-{Base,CustomVoice}, 1.7B-VoiceDesign, Qwen3-TTS-Tokenizer-12Hz. API snapshots: qwen3-tts-flash (=2025-11-27), qwen3-tts-flash-2025-09-18, qwen3-tts-instruct-flash-2026-01-26, qwen3-tts-vd-2026-01-26 (voice design), qwen3-tts-vc-2026-01-22 (voice clone). Superseded in Alibaba's hosted lineup by Qwen-Audio-3.0-TTS (Jul 2026) and Qwen-Audio-3.1-TTS (Sep 2026). API pricing not verified.

Apache-2.0 multilingual TTS you can run locally; hosted versions on Model Studio.

Sources: https://github.com/QwenLM/Qwen3-TTS · https://arxiv.org/abs/2601.15621 · https://www.alibabacloud.com/help/en/model-studio/qwen-tts

Model page: https://postcutoff.com/m/qwen3-tts/