Z-Image

Z-Image is a free, web-based AI image generation service built on the z-image open-source model, designed for fast results and flexible creative workflows.

Generate images directly from prompts, with support for long inputs up to 1000 characters. If you’re using long structured prompts (including JSON-style formats), Z-Image supports using Nano Banana models to better handle extended structured prompt content.

To help you move faster, Z-Image includes a curated Prompt Library with daily community picks and example ideas across different styles and subjects. You can also steer results using LoRA models and trigger words.

After generation, refine your output with workflow tools such as background removal and image upscaling, plus other image utilities like reframe and parallax-style features.

Is Z-Image really free to use?

Z-Image is positioned as truly free for creating images in the browser, with free users able to create one GPT Image 2 1K image daily.

How long can my prompt be on Z-Image?

Z-Image supports prompts up to 1000 characters, so you can include detailed instructions in a single generation request.

Can I use structured JSON prompts on Z-Image?

Yes. For long structured JSON-style prompts, use Nano Banana models to better accommodate extended structured input.

Does Z-Image support LoRA models and trigger words?

Yes. You can choose from a LoRA library and apply models using trigger words to influence style or character traits.

Where can I find prompt ideas if I don’t know what to write?

Use the curated Prompt Library, which includes daily community picks and example prompt ideas across a variety of styles and subjects.

What can I do with images after generation?

Z-Image provides post-generation tools like image upscaling and background removal, plus additional image workflow utilities to help refine your results.