models/NVIDIA/Sana v1.5 4.8B
NVIDIA

Sana v1.5 4.8B

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Sana v1.5 4.8B is a powerful text-to-image model that generates ultra-high quality 4K images with remarkable detail.

MODALITIES
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Sana v1.5 4.8B (nvidia/sana-v1.5-4.8b) is a image model from NVIDIA. Pricing via AIgateway: $0.010 per megapixel. Call it via https://api.aigateway.sh/v1/images/generations — set model="nvidia/sana-v1.5-4.8b".

model · nvidia/sana-v1.5-4.8b

Use this model

model: nvidia/sana-v1.5-4.8b
curl https://api.aigateway.sh/v1/images/generations \
  -H "Authorization: Bearer $AIGATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"nvidia/sana-v1.5-4.8b","prompt":"a serene cyberpunk city at dusk"}'

Capabilities

Text to image

Pricing

Per megapixel$0.010
You pay pass-through pricing.
See API example →CompareAPI referenceSee usage ranking →

Collections

More image models →More from NVIDIA →Frontier models →Free-tier models →
API schema

Call Sana v1.5 4.8B from any OpenAI SDK

POST https://api.aigateway.sh/v1/images/generations·Content-Type: application/json·Auth: Bearer sk-aig-...

Request body

json
{
  "model": "nvidia/sana-v1.5-4.8b",
  "prompt": "A cyberpunk cat at sunset, cinematic lighting",
  "n": 1,
  "size": "1024x1024",
  "response_format": "url"   // or "b64_json"
}

Response

json
{
  "created": 1776947082,
  "data": [
    { "url": "https://media.aigateway.sh/img/abc123.png" }
    // or { "b64_json": "iVBORw0KGgoAAAANSUhEU..." }
  ]
}

Quickstart

from openai import OpenAI
client = OpenAI(base_url="https://api.aigateway.sh/v1", api_key="sk-aig-...")

r = client.images.generate(
    model="nvidia/sana-v1.5-4.8b",
    prompt="a cyberpunk cat at sunset",
    size="1024x1024",
)
print(r.data[0].url)

Errors

401authentication_errorInvalid or missing API key
402insufficient_creditsWallet empty (PAYG only)
404not_foundUnknown model or endpoint
429rate_limit_errorOver per-minute limit — see Retry-After header
500server_errorUpstream provider failed (retryable)
503service_unavailableUpstream saturated (retryable)
Full docs →API reference →OpenAPI spec →llms.txt →

Frequently asked questions

What is Sana v1.5 4.8B?
Sana v1.5 4.8B is a powerful text-to-image model that generates ultra-high quality 4K images with remarkable detail. It is a image model from NVIDIA, accessible via AIgateway's OpenAI-compatible API at slug nvidia/sana-v1.5-4.8b.
How much does Sana v1.5 4.8B cost via AIgateway?
Pass-through pricing. See the pricing panel on this page for exact rates.
How do I call Sana v1.5 4.8B from my code?
Point the OpenAI SDK at https://api.aigateway.sh/v1 with your AIgateway key and set model to "nvidia/sana-v1.5-4.8b". The request and response shapes match OpenAI exactly.
Does Sana v1.5 4.8B support streaming, tool calling, vision, and JSON mode?
Streaming — no. Tool calling — no. Vision — no. JSON mode — no. Prompt caching — no.
Can I bring my own NVIDIA API key (BYOK)?
Yes. Attach a NVIDIA key in your AIgateway dashboard and this model flips to pass-through — you pay NVIDIA directly and AIgateway adds no platform fee on those calls.