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Model APIs · Image generation

Imagen 4.0 Fast API

Run Imagen 4.0 Fast by Google through one OpenAI-compatible endpoint. Pay per use against your GPU.ai balance — no instance to rent, no deployment to manage.

Available now
Pricing

Imagen 4.0 Fast API pricing

Live catalog rates, billed per use against your GPU.ai balance. No subscriptions, no minimums.

TierRate
Serverless
Per image: $0.020

Rates are read hourly from the live model catalog and metered per request.

Quick start

Call Imagen 4.0 Fast in one request

Any OpenAI SDK works — set the base URL to https://api.gpu.ai/v1 and use your GPU.ai API key.

curl
curl https://api.gpu.ai/v1/images/generations \
  -H "Authorization: Bearer $GPUAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpuai/imagen-4.0-fast",
    "prompt": "A watercolor painting of a data center at sunrise"
  }'
Python (OpenAI SDK)
from openai import OpenAI

client = OpenAI(
    base_url="https://api.gpu.ai/v1",
    api_key="YOUR_GPUAI_API_KEY",
)

image = client.images.generate(
    model="gpuai/imagen-4.0-fast",
    prompt="A watercolor painting of a data center at sunrise",
)
print(image.data[0].url)
Details

Imagen 4.0 Fast on GPU.ai

Model idgpuai/imagen-4.0-fast
ModalityImage generation
AuthorGoogle
Context window
Streaming
Aliases
FAQ

Imagen 4.0 Fast API questions

How much does the Imagen 4.0 Fast API cost?

Imagen 4.0 Fast on GPU.ai currently costs $0.020 (per image). There are no subscriptions or minimums — usage is billed against your GPU.ai balance as you go.

Is the Imagen 4.0 Fast API OpenAI-compatible?

Yes. Point any OpenAI SDK at https://api.gpu.ai/v1 with a GPU.ai API key and request model "gpuai/imagen-4.0-fast" — no proprietary client needed.

How does billing work?

Generation models bill per output (per image, or per second of video) at the listed rate, metered per request against your GPU.ai balance.