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Z-Image-Turbo
webnn/Z-Image-Turbo
Z-Image-Turbo is a text-to-image model from webnn. Use it when you need an image from a text prompt. The card lists the license as apache-2.0.
This repository provides an optimized ONNX version of Tongyi-MAI/Z-Image-Turbo, specifically tailored for efficient browser execution via WebNN and WebGPU using ONNX Runtime Web.
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Updated Sep 10, 2026
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At a glance
- Task
- Text-to-Image
- License
- apache-2.0
- Access
- Public
- Created
- Sep 10, 2026
- Updated
- Sep 10, 2026
- SHA
- 02e1d8cc
Model card
From the Hugging Face model README
Z-Image-Turbo
This repository provides an optimized ONNX version of Tongyi-MAI/Z-Image-Turbo, specifically tailored for efficient browser execution via WebNN and WebGPU using ONNX Runtime Web.
🔄 Runtime Pipeline
The end-to-end inference flow runs sequentially across the ONNX sub-models under onnx/ per image generation:
Inference Flow
<div align="center"> <img src="https://cdn-uploads.huggingface.co/production/uploads/65ee995fc7b0ce53e4a91edb/2ckM0sTl3VVrRzJ-5recK.jpeg" style="max-width: 100%; height: auto;" alt="Z Image Turbo Pipeline"> </div>🧩 Sub-model Components
| Stage | ONNX Model Artifact | Precision | Key Role |
|---|---|---|---|
| 1. Text Encoding | text_encoder_model_q4f16.onnx | Q4F16 | Encodes text prompts into conditional embeddings |
| 2. Denoising | transformer_model_q4f16.onnx | Q4F16 | Predicts noise latents across diffusion iterations |
scheduler_step_model_f16.onnx | FP16 | Computes denoised latents per step | |
| 3. Decoding | vae_pre_process_model_f16.onnx | FP16 | Scales and shifts latents for decoding |
vae_decoder_model_f16.onnx | FP16 | Reconstructs pixel-space RGB image from latents | |
| 4. Safety | sc_prep_model_f16.onnx | FP16 | Normalizes and pre-processes the image for the safety checker |
safety_checker_model_f16.onnx | FP16 | Inspects processed image features to ensure content safety |
🛠️ Export & Reproduction
Instructions and scripts for exporting and optimizing the ONNX models from the original PyTorch weights can be found in the model_exporter/README.md.
🌐 Live Demo
Experience the model running in the browser:
- Interactive Demo: WebNN Developer Preview - Z-Image-Turbo
📑 Credits
- Original PyTorch Model: Tongyi-MAI/Z-Image-Turbo
- Web Runtime: ONNX Runtime Web / WebNN Developer Preview
- Task
- Text-to-Image
- License
- apache-2.0
- Created
- Sep 10, 2026
- Updated
- Sep 10, 2026