uni-1-max API

Luma Uni-1 Max is the higher-quality image generation and editing variant of Uni-1 with the same parameters.

Modalities
Text, ImageImage
Price
$0.1per generation
Model type
Image generation
Released
Mar 23, 2026

uni-1-max overview

Aspect ratio
Style
Sample uni-1-max image generated through AI/ML API: A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lette

uni-1-max by Luma AI

uni-1-max API produces the highest-fidelity image outputs in the Luma image family, with support for reference-guided editing and multi-reference composition.

uni-1-max specs

Model ID
luma/uni-1-max
Developer
Luma AI
Input
Text, Image
Output
Image
Endpoint
POST https://api.aimlapi.com/v1/images/generations

uni-1-max is Luma AI's premium image generation model, the highest-quality option in the Luma image family. It delivers superior detail, texture fidelity, and compositional accuracy over uni-1, making it suitable for professional and production-grade workflows where output quality is non-negotiable.

  • Supported inputs: Text prompt, image references
  • Output: Single generated image at maximum quality
  • Editing: Reference-guided image editing with additional cost per extra reference
  • Endpoint: /v1/images/generations
  • vs uni-1: uni-1 offers the same capabilities at lower cost. Choose uni-1-max when maximum output quality is required.
  • vs other image models: uni-1-max is optimised for high-fidelity reference-guided composition at a competitive price point.

Use cases

Final hero images and ad creative are documented as suitable use cases for Luma Uni-1 Max, especially when higher-quality output justifies the extra cost.

Brand and marketing key art is another stated use case, including hero shots for campaigns, ad banners, and social cover art.

Packaging mockups are also listed, covering bottles, bags, boxes, cans, and labels with readable brand names and short product copy.

Posters and editorial layouts are documented as a fit as well, including movie posters, event posters, magazine cover lines, and gallery announcements.

Capabilities

  • Web search

uni-1-max benchmarks by Artificial Analysis

Human-preference results for uni-1-max in text to image, next to models available on AI/ML API. Data retrieved Nov 3, 2026.

Text to image

Elo · text-to-image arena

AI/ML API price

USD per generation

Models on AI/ML API

Arena results for models you can call with the same API key.

Text to image

Blind pairwise human votes on images generated from text prompts. uni-1-max ranks #33 of 98.

uni-1-max API pricing

uni-1-max pricing in US dollars
UsagePriceUnit
Image generation$0.1per generation

Prices from the AI/ML API price list, checked on Nov 4, 2026.

uni-1-max vs other image models: prices

AI/ML API rates for 5 models, per generation.

AI/ML API prices in USD per generation
ModelPer generation
uni-1-max$0.1
Luma Uni-1$0.0404
uni-1$0.0404
FLUX.1 Kontext$0.08
SwitchX Image to Image$0.1

How to use the uni-1-max API

View docs (opens in a new tab)

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/images/generations' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "luma/uni-1-max",
  "prompt": "A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lettering on the glass reads OPEN LATE. Warm lamp light inside, raindrops and blurred neon reflections outside, 35mm film photo."
}'

Related articles

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uni-1-max FAQ

How much does uni-1-max cost?

uni-1-max costs $0.1 per generation on AI/ML API, billed as you go with no subscription.

What inputs and outputs does uni-1-max support?

uni-1-max takes image, text as input and returns image.

Can uni-1-max take an existing image as input?

Yes, uni-1-max accepts image input as well as a text prompt.

Who created uni-1-max?

uni-1-max was built by Luma AI.

How do I call uni-1-max on AI/ML API?

Send a request to https://api.aimlapi.com/v1/images/generations with luma/uni-1-max as the model id.

Is uni-1-max available through a single API key?

Yes. uni-1-max is served through AI/ML API, so the same key and endpoint format used for other models applies.

How does Uni-1 Max differ from the standard Uni-1 model?

Uni-1 Max is the higher-quality image generation and editing variant of Uni-1, using the same parameters.

Can Uni-1 Max edit existing images, not just generate new ones?

Yes, Uni-1 Max is described as an image generation and editing model.

Does Uni-1 Max use the same parameters as Uni-1?

Yes, Uni-1 Max shares the same parameters as Uni-1, differing only in output quality.

Does Uni-1 Max include web search capability?

Yes, Uni-1 Max includes a web search feature and capability.

Start building with uni-1-max

uni-1-max API

luma/uni-1-max

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/images/generations' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "luma/uni-1-max",
  "prompt": "A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lettering on the glass reads OPEN LATE. Warm lamp light inside, raindrops and blurred neon reflections outside, 35mm film photo."
}'