Run Qwen3-TTS Locally: Free Voice Cloning in 3 Seconds

How do I install Qwen3-TTS?

Three steps. About 10 minutes plus the model download.

Step 1: Set up a clean Python env

The README is explicit about this — use Python 3.12+ in an isolated env to avoid dependency conflicts:

bash
python -m venv qwen-tts
source qwen-tts/bin/activate  # Windows: qwen-tts\Scripts\activate
pip install --upgrade pip

Step 2: Install Qwen3-TTS and FlashAttention

bash
pip install qwen3-tts
pip install flash-attn --no-build-isolation

FlashAttention 2 is recommended by the maintainers because it cuts GPU memory usage. On limited-RAM systems, set MAX_JOBS=4 before installing.