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Tongyi Lab · Image model

Z-Image Base AI Image Generator

The finished cut, not the sketch: two credits per image. Z-Image Base is Tongyi Lab's full 6-billion-parameter model — the un-distilled original that Z-Image Turbo was compressed from. Full-step renders with finer detail and closer prompt adherence, plus reference-image guidance for carrying a photo's composition into a new look. The trade is patience: a Base render takes a little under a minute.

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Rainy neon cyberpunk street with reflections on wet pavement — generated with Z-Image Base

01 · Overview

What is Z-Image Base?

Z-Image Base is the full-size Z-Image: a 6-billion-parameter model running its complete sampling process instead of a distilled shortcut. Where Turbo answers in a handful of steps, Base takes its time — and spends it on skin texture, fabric weave, believable reflections and the small print of your prompt that fast models skip.

It generates across ten aspect ratios up to 1536px, in JPEG, PNG or WebP, and can take one reference image as a guide for composition, style or subject. New accounts start with 20 free credits — ten Base images — before a single pack is bought.

2 credits per imageFull-step rendersJPEG · PNG · WebPReference-guided restyles

Specs & capabilities

InputsText to image · Single-reference guidance (image to image)
ResolutionPreset sizes up to 1536px on the long edge
Aspect ratios10 ratios in the studio, up to 21:9 ultrawide
Output formatsJPEG, PNG and WebP
Pricing shapeFlat $0.01 per image upstream — priced here at exactly 2 credits, generation and guided restyles alike.

Good to know: guidance uses one reference image at a balanced strength — the result keeps your photo's composition and subject while following the prompt's look. It is a restyle, not a pixel-exact edit; for instruction-based edits and multi-reference composites, use GPT Image 2.6 or Nano Banana 2.

02 · Features

Why creators pick Z-Image Base

Studio portrait of a woman with freckles and curly red hair in soft window light — generated with Z-Image Base

The detail Turbo skips

Full-step sampling shows up exactly where drafts go soft: individual freckles, flyaway hair, the grain of skin under window light. If a face is the subject — portraits, avatars, editorial shots — Base is the two-credit way to keep it believable.

A lighthouse re-imagined in falling snow under a faint aurora, guided by a reference photo — generated with Z-Image Base

Guided by your photo

Add one reference image and Base carries its composition and subject into a new rendering. The lighthouse below started as the golden-hour frame in the Create section — one guided pass later it stands in falling snow, windows lit, under a faint aurora. Seasonal re-skins, style transfers and composition reuse all work this way.

Luxury perfume bottle on wet black stone with water droplets — generated with Z-Image Base

Finished product stills

Controlled reflections, water droplets that sit on the glass instead of smearing across it, studio light with intent — the full model holds product photography together at a price that still allows a dozen takes per product.

03 · Create

What you can create with Z-Image Base

Real outputs from this studio, with the exact prompts that made them. Load one into the tool and make it yours.

Overhead ramen bowl with steam rising and noodles lifted by chopsticks — generated with Z-Image Base

Food and editorial

“Overhead food photography of a ramen bowl with steam rising, chopsticks lifting noodles, dark moody background”

Steam, gloss and garnish detail survive the full render — food shots that read as photography, not illustration.

Panoramic alpine valley at dawn with mist between pine ridges — generated with Z-Image Base

Wide scenes at 21:9

“Panoramic alpine valley at dawn, layers of mist between pine ridges, a small lake reflecting pink sky”

The full 1536px-wide canvas: layered ridges, mist and reflections stay coherent from edge to edge — banners, headers and scenic backdrops.

Lighthouse on a rocky coast at golden hour with waves crashing — generated with Z-Image Base

Photoreal landscapes

“A lighthouse on a rocky coast at golden hour, waves crashing, photorealistic, dramatic sky”

This is the frame that became the snowy lighthouse above — generate a strong base image here, then restyle it with reference guidance instead of starting over.

04 · Guide

How to use Z-Image Base

1

Describe or guide

Type a prompt, or switch to Image to Image and drop in one photo to guide the composition, style or subject.

2

Pick shape and format

Ten aspect ratios up to 1536px, and your choice of JPEG, PNG or WebP.

3

Generate & download

Two credits, charged only on success. Allow a little under a minute — full-step renders are thorough, not instant.

Prompt guide

05 · Pricing

Z-Image Base pricing

Every image is 2 credits ($0.02) — generation and guided restyles alike. One-time credit packs, no subscription, credits never expire.

Mini pack

Best for a first top-up

$5

One-time · ≈ $0.01 per credit

500 credits

≈ 83 Seedream images
≈ 100 GPT Image 2.6 drafts

  • Full ownership & commercial rights
  • Credits never expire
  • Charged only on success

Buy 500 credits

Studio pack

Best for high-volume projects

$50

One-time · ≈ $0.01 per credit

5,200 credits

≈ 866 Seedream images
≈ 1,040 GPT Image 2.6 drafts

  • Full ownership & commercial rights
  • Credits never expire
  • Charged only on success

Buy 5,200 credits

Max pack

Best for the heaviest workloads

$100

One-time · ≈ $0.01 per credit

10,800 credits

≈ 1,800 Seedream images
≈ 450 Nano Banana Pro 2K finals

  • Full ownership & commercial rights
  • Credits never expire
  • Charged only on success

Buy 10,800 credits

06 · FAQ

Z-Image Base FAQ

How much does Z-Image Base cost?

Exactly 2 credits ($0.02 at the standard credit rate) per image — generation and reference-guided restyles alike. A new account's 20 free credits make 10 images.

What is the difference between Z-Image Base and Z-Image Turbo?

Base is the full 6-billion-parameter model running its complete sampling process: finer detail, closer prompt adherence, results in a little under a minute. Turbo is a distilled version that answers in seconds for 1 credit — ideal for drafts and volume. The classic workflow is to explore on Turbo, then finish the winners on Base.

Can it use my photo as a reference?

Yes. Switch to Image to Image and add one reference photo: Base follows its composition, style or subject at a balanced strength while applying your prompt's look. It is guidance, not a pixel-exact editor — for instruction-based edits, see GPT Image 2.6.

How long does a generation take?

Typically 30–60 seconds. Base runs the full sampling process rather than a distilled shortcut, so it is deliberately slower than Turbo's few seconds — the wait is where the extra detail comes from.

What sizes and formats are available?

Ten aspect ratios with sizes up to 1536px on the long edge, delivered as JPEG, PNG or WebP — your choice in the panel.

When should I use a different model?

For crisp text (Qwen Image 3.0), 2K–4K finals (Seedream 5 Pro) or multi-reference edits (GPT Image 2.6). Base's job is the finished image at a two-credit price.

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