Google Imagen 4 Ultra
Google Imagen 4 Ultra costs $0.072/image on FairStack — a text to image model for Hero images, Print production, Premium marketing assets. No subscription required. Pay per generation with full REST API access. FairStack applies a transparent 20% margin on infrastructure cost so you always see the real price.
What is Google Imagen 4 Ultra?
Imagen 4 Ultra is Google's highest quality image generation tier, achieving the most photorealistic output in the Imagen family with a photorealism score of 0.95 and an Elo ranking of #6 globally. It represents the peak of Google's image generation capabilities, producing images with maximum detail, resolution, and visual fidelity. The model generates images with exceptional fine detail, accurate material rendering, and photographic-quality lighting that rivals professional photography. Every element from skin texture to fabric weave to atmospheric haze is rendered with meticulous accuracy. This level of quality is designed for use cases where the image must be indistinguishable from a real photograph. Compared to standard Imagen 4 at $0.04, Ultra at $0.06 delivers a noticeable step up in fine detail and photorealism that justifies the premium for hero content. Against GPT Image 1.5 High at $0.11 which ranks Elo #1 with superior text rendering, Imagen 4 Ultra offers better pure photorealism at a lower price. FLUX 2 Max at $0.07 competes on style versatility but trails on photographic realism. Best suited for hero images, print production, premium marketing assets, and any workflow where maximum photorealistic quality justifies the premium price point. Available on FairStack at infrastructure cost plus a 20% platform fee.
Key Features
What are Google Imagen 4 Ultra's strengths?
What are Google Imagen 4 Ultra's limitations?
What is Google Imagen 4 Ultra best for?
How much does Google Imagen 4 Ultra cost?
How does Google Imagen 4 Ultra perform across capabilities?
Example Outputs
Generated with Google Imagen 4 Ultra on FairStack
A luxury watch on black velvet with dramatic studio lighting, commercial product photography
A close-up portrait of an elderly craftsman in his workshop, warm afternoon light through dusty windows, shallow depth of field
A steampunk clockwork city floating in the clouds, intricate mechanical details, concept art
How do I use the Google Imagen 4 Ultra API?
curl -X POST https://api.fairstack.ai/v1/generations/image \
-H "Authorization: Bearer $FAIRSTACK_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "imagen-4-ultra",
"prompt": "A luxury watch on black velvet with dramatic studio lighting, commercial product photography"
}'import requests
response = requests.post(
"https://api.fairstack.ai/v1/generations/image",
headers={
"Authorization": f"Bearer {FAIRSTACK_API_KEY}",
"Content-Type": "application/json",
},
json={
"model": "imagen-4-ultra",
"prompt": "A luxury watch on black velvet with dramatic studio lighting, commercial product photography",
},
)
result = response.json()
print(result["url"])const response = await fetch(
"https://api.fairstack.ai/v1/generations/image",
{
method: "POST",
headers: {
Authorization: `Bearer ${process.env.FAIRSTACK_API_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
model: "imagen-4-ultra",
prompt: "A luxury watch on black velvet with dramatic studio lighting, commercial product photography",
}),
}
);
const result = await response.json();
console.log(result.url);What parameters does Google Imagen 4 Ultra support?
Frequently Asked Questions
How much does Google Imagen 4 Ultra cost?
Google Imagen 4 Ultra costs $0.072/image on FairStack as of 2026-03-23. This price includes FairStack's transparent 20% margin on infrastructure cost. No subscription or monthly fee — you pay per generation only. Minimum deposit is $1.
What is Google Imagen 4 Ultra and what is it best for?
Imagen 4 Ultra is Google's highest quality image generation tier, achieving the most photorealistic output in the Imagen family with a photorealism score of 0.95 and an Elo ranking of #6 globally. It represents the peak of Google's image generation capabilities, producing images with maximum detail, resolution, and visual fidelity. The model generates images with exceptional fine detail, accurate material rendering, and photographic-quality lighting that rivals professional photography. Every element from skin texture to fabric weave to atmospheric haze is rendered with meticulous accuracy. This level of quality is designed for use cases where the image must be indistinguishable from a real photograph. Compared to standard Imagen 4 at $0.04, Ultra at $0.06 delivers a noticeable step up in fine detail and photorealism that justifies the premium for hero content. Against GPT Image 1.5 High at $0.11 which ranks Elo #1 with superior text rendering, Imagen 4 Ultra offers better pure photorealism at a lower price. FLUX 2 Max at $0.07 competes on style versatility but trails on photographic realism. Best suited for hero images, print production, premium marketing assets, and any workflow where maximum photorealistic quality justifies the premium price point. Available on FairStack at infrastructure cost plus a 20% platform fee. Google Imagen 4 Ultra is best for Hero images, Print production, Premium marketing assets. Available via FairStack's REST API with curl, Python, and Node.js SDKs.
Does Google Imagen 4 Ultra have an API?
Yes. Google Imagen 4 Ultra is available via FairStack's REST API at api.fairstack.ai. Send a POST request to /v1/generations/image with your API key and prompt. Works with curl, Python requests, Node.js fetch, and any HTTP client. No SDK installation required.
How does Google Imagen 4 Ultra compare to other image models?
Google Imagen 4 Ultra excels at Hero images, Print production, Premium marketing assets. It is a text to image model priced at $0.072/image on FairStack. Key strengths: Highest photorealism available (0.95), Elo #6 globally. Compare all image models at fairstack.ai/models.
What makes Google Imagen 4 Ultra stand out from other image generators?
Google Imagen 4 Ultra stands out with highest photorealism available (0.95) and elo #6 globally. Generation typically takes 15-60 seconds due to its higher-quality processing.
What are the known limitations of Google Imagen 4 Ultra?
Key limitations include: premium pricing at $0.06/image; slowest generation in imagen family. FairStack documents these transparently so you can choose the right model for your workflow.
How fast is Google Imagen 4 Ultra?
Google Imagen 4 Ultra typically takes 15-60 seconds due to its higher-quality processing. The longer processing time reflects its advanced architecture, which produces higher-quality results than faster alternatives.
What features does Google Imagen 4 Ultra support?
Google Imagen 4 Ultra offers: elo #6 globally; highest photorealism in imagen family (0.95 score); maximum detail and resolution; premium output for hero content. All capabilities are accessible through both the FairStack web interface and REST API.
Start using Google Imagen 4 Ultra today
$0.072/image. Full API access. No subscription.
Start Creating