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NVIDIA

Sana 1.5 4.8BAI image generator

NVIDIA's efficient image model, at a cent a megapixel. On Leap, it sits beside 174 other models in one studio.

  • Text to image
  • 5 aspect ratios

Your first image is free. 1 image on Sana 1.5 4.8B: $0.0135. Your words wait while you sign in.

  • No subscription
  • Every top model, one account
  • Pay per run, priced before it starts
An isometric bedroom studio at night, a real run on Leap
An isometric bedroom studio at night

AI image generator

Sana 1.5 4.8B at a glance

Sana 1.5 4.8B is an image model from NVIDIA. It makes images from words.

Made by
NVIDIA
Makes
Images
Starts from
Words
Shapes
1:1, 3:4, 9:16, 4:3, 16:9
Per run
Up to 4 images
Prompt
Up to 4,000 characters
Price per run
$0.0135
Run time
About 9 seconds
Updated
October 5, 2026
  1. 01Describe what you want to see
  2. 02See the exact price, then press go
  3. 03Keep it in your library, or take it further

Side by side

More image models on Leap

No prompt needed

Or start from a recipe

Recipes write the prompt for you: add a photo, pick a look, and get a finished result.

Every recipe

Why Leap

Why creators make it on Leap

  1. 01

    Every top model, side by side

    175 models from Black Forest Labs, Google, ByteDance, Kuaishou, Alibaba and more, side by side in one studio.

    See the models
  2. 02

    One click, or full control

    Character Studio, effects and recipes write the prompt for you. Or write your own for any model.

    See the tools
  3. 03

    Your work stays yours

    Everything you make stays in your library while your account is active, and you own what you make here.

    See what people make
  4. 04

    One balance for everything

    The studio, the API and your agents spend the same balance, and every run shows its price before it starts.

    How pricing works

Questions

Sana 1.5 4.8B, answered

What is Sana 1.5 4.8B?
Sana 1.5 4.8B is an image model from NVIDIA. NVIDIA's efficient image model, at a cent a megapixel. It is new on Leap and in preview: it works, and it may still change. On Leap it runs in one studio beside every other top model, with one account.
What resolution and sizes does it make?
1:1, 3:4, 9:16, 4:3 or 16:9.
How much does a run cost?
An image costs $0.0135. You see the exact price before you press go, and a run that fails costs nothing.
Is Sana 1.5 4.8B free to try?
No. There is no free credit: you add credit from $5, and your first top-up has no card fee. The cheapest run is $0.0135 (an image), so $5 covers 370 of those. You pay per run, in dollars, with no subscription.
Can I use what I make commercially?
Yes. You own what you make on Leap, so you can use it commercially, and we never train AI on it. The people and brands shown in a result can still have rights in it; the Terms say more.
Is there an API?
Yes. Leap's REST API runs it as nvidia/sana-1.5-4.8b, at the same price per run as the studio, and agents can call it through Leap's MCP server. The request is at the bottom of this page.
Do I need a NVIDIA account?
No. Leap sends your request to NVIDIA's model and gives you what it makes. One Leap account runs Sana 1.5 4.8B and every other model, in the studio, through the API and from your agents.

Your idea, Sana 1.5 4.8B.

Every run shows its price before it starts, and one that fails costs nothing.

Make it with Sana 1.5 4.8B

For developers

Run Sana 1.5 4.8B from code

API docs
Model ID
nvidia/sana-1.5-4.8b
Makes
Image
Pricing
Per run, quoted first: POST /v1/quotes

Inputs

What the model takes. Leave out anything with a default.

Promptprompt
Text, up to 4,000 characters, required
Aspect ratioaspect_ratio
1:1, 3:4, 9:16, 4:3, 16:9. Default: 1:1
Imagesn
1 to 4. Default: 1
Num Inference Stepssettings.num_inference_steps
1 to 50. Default: 18The number of inference steps to perform.
Guidance scale (CFG)settings.guidance_scale
0 to 20. Default: 5The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show you.
Style Namesettings.style_name
(no style), Cinematic, Photographic, Anime, Manga, Digital art, Pixel art, Fantasy art, Neonpunk, 3d model. Default: (no style)The style to generate the image in.
Negative promptnegative_prompt
Text, up to 2,000 charactersWhat the image should not contain.
Seedseed
0 to 4294967295The same seed and input give the same image.

The request

The same envelope for every model; only the model and its input change. With prefer: wait=60 the answer holds the result when the run finishes within a minute; a longer one is read again by its ID. Agents can call it through the MCP server at app.tryleap.ai/api/mcp.

curl https://api.tryleap.ai/v1/generations \  -H "x-api-key: $LEAP_API_KEY" \  -H "content-type: application/json" \  -H "prefer: wait=60" \  -d '{    "model": "nvidia/sana-1.5-4.8b",    "input": {      "prompt": "A paper boat drifting down a rainy street at dusk"    }  }' # Video often outlasts the wait and answers "queued" or "running".# Put its "id" in GENERATION_ID and read it again until it is done:# curl https://api.tryleap.ai/v1/generations/$GENERATION_ID -H "x-api-key: $LEAP_API_KEY"