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Z-Image vs Image4

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Z-Image compared with Image4
Detail Z-ImageImage4 logo Image4
What it doesFree AI image generator with accurate text rendering in 20+ languages Create stunning AI images from text and edit photos with multiple AI models
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree to try online with limited credits. One-time purchase plans: Starter Pack $9.99 (reduced to $6.99 with yearly billing, 500 credits valid 365 days); Creator Pack $29.99 (reduced to $16.99, 1,650 credits plus 10% bonus); Pro Pack $79.99 (reduced to $41.99, 4,800 credits). All plans include commer Basic: $9.50/month or $114/year (36,000 credits/year); Pro: $19.50/month or $234/year (90,000 credits/year); Max: $49.50/month or $594/year (240,000 credits/year). Free tier available with daily credits.
Key features
  • Sub-second generation time (0.5 seconds)
  • Dual-language support for English and Chinese prompts
  • Lightweight 6B parameters model
  • Multiple aspect ratio options
  • Negative prompts to remove unwanted elements
  • Seed control for iteration
  • History gallery with local auto-save
  • Privacy-focused (no training data use)
  • Image upscaling with Hires Fix
  • ComfyUI integration ready
  • Text to Image: Describe subject, setting and style to create image drafts
  • Image Editing with reference images to guide composition and styling
  • Character Consistency across multiple scenes and poses
  • Multiple output sizes and resolutions up to 4K
  • Multiple AI models including GPT Image 2 and Nano Banana 2
  • Watermark-free downloads
  • Credit-based system with monthly allowance
  • Prompt templates for guidance
  • Commercial use license included
What makes it different
  • Only AI generator with accurate text rendering in 20+ languages
  • FLUX-level quality at 10x the speed
  • Free for commercial use under Apache 2.0 license
  • Runs on consumer GPUs with only 6B parameters
  • Generates images in under a second with Turbo model
  • No design skills needed - works with simple descriptions
  • Supports reference images to guide composition and style
  • Commercial license included with all plans
  • Multiple AI models for choice between quality, speed and cost
  • Flexible billing with monthly subscriptions or one-time credit packs
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)28 +1 (up) since last check2 +2 (up) since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)240
Referring domains (Majestic)570

5 details filled in for both companies.

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