How good is Z-Image at rendering text in images?

In-image text is the headline strength of Z-Image. It renders legible English and Chinese — including small fonts and complex layouts — where generic image models typically produce garbled letters. Put the text you want in your prompt (in quotes) for posters, banners, and social graphics.

Does Z-Image support image editing?

No — Z-Image is text-to-image only. There is no image input. For editing an existing image, use a model that accepts an image_url. Z-Image focuses on fast, low-cost generation from a text prompt.

How does Z-Image pricing work?

Credit-based: 1 credit equals $0.001 USD. Z-Image charges a flat rate per generated image, independent of aspect ratio, and each request produces one image — it is one of the lowest per-image rates on the platform. Failed and rejected requests are refunded automatically. See the pricing card above for the current rate.

What aspect ratios does Z-Image support?

Z-Image accepts 1:1, 4:3, 3:4, 16:9, and 9:16, with a default of 1:1. There is no width/height or resolution control — pick the ratio and Z-Image renders accordingly.

Does Z-Image produce more than one image per request?

No — Z-Image returns exactly one image per request. To produce a set, send multiple requests. Each is billed as one image, so cost scales linearly and predictably.

Yes. You submit a Z-Image task and receive a task_id, then poll /api/v1/tasks/:id until it is completed. This is the same task flow as every other reApi model, and the API returns an image URL you should mirror to your own storage if you need it long term.

Where is the full API reference for Z-Image?

The complete parameter list, validation rules, error codes, and runnable cURL / Python / Node / Go examples for Z-Image live at /docs/z-image.

Is Z-Image free or paid?

Paid. Completed generations are charged at the rates in this page's pricing table. Eligible new accounts may receive promotional test credits; availability and amount are shown at signup or in the dashboard. Technical or provider failures are refunded automatically, except where this page documents a charged output-moderation block.

Does Z-Image require a monthly subscription?

No. Pricing is pay-as-you-go: $1 buys 1,000 credits and credits never expire. Cost scales with what you generate rather than with a recurring fee.

How do I get a Z-Image API key?

Sign up and create a key in the dashboard, no card required. Pass it as a Bearer token in the Authorization header.

Z-Image — Fast, Low-Cost Image Generation with Bilingual Text

Z-Image is Alibaba's Tongyi Z-Image-Turbo: a fast, photorealistic text-to-image model that actually renders legible English and Chinese text — posters, banners, and social graphics included. It is one of the lowest-cost models on the platform, and you call Z-Image through reApi's unified API.

Highlights: Fast flat-price generation · 5 aspect ratios
Best for: Quick drafts, social posts
Input: Text prompt
Output: One image per request

Input

Prompt*

Up to 1000 characters · required

Aspect ratio

1:1 / 4:3 / 3:4 / 16:9 / 9:16 · default 1:1

Content filter

On in the playground; configurable via the API (API default: off).

Estimated cost~$0.0055 credits

Result

Try one of these prompts

What is the Z-Image API?

Z-Image is Alibaba's Tongyi Z-Image-Turbo, a fast text-to-image model exposed on reAPI as one async endpoint with a three-parameter surface: a prompt of up to 1000 characters, one of five aspect ratios, and a content-filter toggle. It takes no image input, renders legible English and Chinese text inside the picture, and returns one image per request at a flat rate per image.

Z-Image sample generations with bilingual text and photorealistic people

What you can build with this model

Real-world workflows and production use cases you can build and ship with this model.

Z-Image social-media graphic with bilingual text

Social graphics with real text

Most image models turn captions into gibberish. Z-Image renders legible English and Chinese type, so OOTD collages, promo graphics, and social cards come back with the words spelled right and laid out where you asked. Write the copy in your prompt, set the aspect ratio, and it composes art and text together in one fast, low-cost generation.

Open the playground

Photorealistic people and fashion

It produces lifelike portraits and outfits with refined lighting and clean skin texture — strong enough for lookbooks, e-commerce, and street-style shots. At a compact 6B scale it stays fast and cheap, so you can iterate on poses, styling, and scenes without burning your budget on a single hero image.

Z-Image magazine cover with editorial typography

Magazine covers and editorial layouts

It is built for images where the typography matters as much as the photo. Generate magazine covers, banners, and posters with crisp English or Chinese headlines and balanced composition. Because the text stays sharp and on-layout, the output is usable as-is instead of needing a second pass in a design tool.

Pricing

Credit-based — 1 credit = $0.001 USD. Pay only for completed generations.

First test cost

$0.0055 credits

One sample at the cheapest tier (1 image).

Testing budget guide

Add credits

$10

≈ 2272 tests

$50

≈ 11363 tests

$100

≈ 22727 tests

Model	Category	Price
z-image	Per image	$0.005 5 credits · 1 image

Why reAPI

Text that's actually legible

The reason teams reach for Z-Image is the in-image text. It renders accurate English and Chinese — small fonts and complex layouts included — where generic models smear letters. If your output has to carry words, it keeps them readable, through the same request to /api/v1/images/generations.

Fast and very cheap

Z-Image-Turbo runs in minimal sampling steps, so generations come back quickly. 1 credit equals $0.001 USD and it is one of the lowest per-image rates on the platform — flat per image, so cost is a single multiply, ideal for high-volume social and e-commerce work.

Async-first, unified

Submit a Z-Image task, get a task_id back, poll until it completes. The JSON matches the OpenAI image-generations contract, so adding it is a model-id change, not a new integration. Failed and rejected requests are refunded automatically.

Z-Image vs Nano Banana

Both generate images from one API. Z-Image leans into legible bilingual text, photorealism, and a very low flat per-image price. Here is how the two compare on publicly documented behavior.

Capability

Z-Image on reAPI

Nano Banana

In-image text

A core strength — accurate English and Chinese type, even small fonts and complex layouts.

Renders text, with quality that varies by layout complexity.

Photorealism

Lifelike portraits and scenes from a compact 6B Tongyi model.

Strong photorealistic output.

Modality

Text-to-image only — fast generation from a prompt.

Generation plus prompt-driven editing.

Speed

Turbo: minimal sampling steps, low latency.

Fast, varies by request.

Pricing

Flat per image at one of the lowest rates on the platform.

Per-image pricing, typically higher.

Aspect ratios

1:1, 4:3, 3:4, 16:9, 9:16.

A set of common aspect ratios.

Comparison reflects publicly documented behavior at the time of writing. Model behavior and pricing can change; check the pricing card above and the API docs for current values.

Integrate Z-Image in three steps

step 01
Create an API key
Sign up at reApi and grab an API key. Free signup credits cover a lot of Z-Image generations — it is one of the cheapest models on the platform.
Open
step 02
Submit a generation
POST to /api/v1/images/generations with model: z-image, a prompt, and an optional aspect_ratio. Z-Image returns a task_id immediately.
Open
step 03
Poll the result
GET /api/v1/tasks/:id until status is completed. The Z-Image response carries the image URL; mirror it to your own storage if you need it long term, since generated links expire.
Open

docs/api/z-image

API reference

Drop-in code and the full parameter table.

View full reference

curl -X POST https://reapi.ai/api/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-image",
    "prompt": "a poster that reads OPENING SOON in bold type, warm tones",
    "aspect_ratio": "3:4"
  }'

Parameter validation failed

Rejected synchronously with the failing field named. Check enum values, ranges, and URL fields — nothing is charged.

Authentication or balance issue

401 means a missing or invalid Bearer key; 402 means the reserve exceeds your balance. Manage keys and credits in the console.

Content or material rejected

Reference material and outputs pass automated moderation. Rejected tasks fail with a clear error and a full refund.

Task failed or timed out

A task that reaches a failed state is never charged — the reserve refunds automatically. Keep the task id and retry when ready.

Frequently asked questions

Common questions about this model.

Z-Image is Alibaba's Tongyi Z-Image-Turbo, a fast text-to-image model known for accurate bilingual (English and Chinese) text rendering and photorealistic output at very low cost. On reApi, Z-Image ships on the unified /api/v1/images/generations endpoint under the model id z-image.