Z-Image AI is a free AI image generator and editor that creates visuals from text prompts or edits existing photos with plain-language instructions. One workspace gives you several top models — GPT Image 2, Z-Image Turbo, Nano Banana 2, and Seedream 4.5 — each tuned for photorealism, speed, or precise edits. New users start with 100 free credits and can use generated images commercially, watermark-free.