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.
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