Imagen 4 Ultra

Model Information

Display Name: Imagen 4 Ultra

API Model ID: google/imagen-4-ultra

Category: Text To Image

Description: Imagen 4 Ultra is Google's highest quality image generation model. Produces the best photorealistic images with maximum detail, prompt fidelity, and artistic quality. **Key Features:** - Text-to-image generation (highest quality) - Resolutions: 1024px and 2048px - Aspect ratios: 1:1, 3:4, 4:3, 9:16, 16:9 - 1 image per request (maximum quality focus) - Best prompt adherence in the Imagen family - English prompts (max 480 tokens) **Capabilities:** - Ultra-high-fidelity photorealistic generation - Premium artistic and creative imagery - Detailed textures and lighting - Complex scene composition - Fine-grained prompt following - Professional photography quality - Multiple output formats (PNG, JPEG, WebP) **Best For:** - Premium visual content requiring maximum quality - Professional photography-grade images - High-end marketing and advertising - Hero images and key visuals - Print-ready assets **Technical Specs:** - Model ID: imagen-4.0-ultra-generate-001 - Input: Text prompt (English, max 480 tokens) - Output: PNG, JPEG, or WebP image - Max Resolution: 2048px - Batch Size: 1 image (quality-optimized) - API: Google AI Predict endpoint - Status: GA (sunset June 24, 2026)

How to Use This Model

To use Imagen 4 Ultra via the HInow.ai API, use the model ID: google/imagen-4-ultra

API Request Example (Chat/Text)


POST https://api.hinow.ai/v1/chat/completions
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{
  "model": "google/imagen-4-ultra",
  "messages": [
    {"role": "user", "content": "Your message here"}
  ]
}
              

API Request Example (Image Generation)


POST https://api.hinow.ai/v1/images
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{
  "model": "google/imagen-4-ultra",
  "prompt": "Your image description here"
}
              

Pricing

  • total: $0.078

Available Parameters

  • aspect_ratio: Image aspect ratio. Default: 1:1 (Options: 1:1, 3:4, 4:3, 9:16, 16:9)
  • output_format: Output image format. Default: png (Options: png, jpeg, webp)

Quick Reference

To use this model, set: "model": "google/imagen-4-ultra"

Featured: Yes

Documentation: https://hinow.ai/models/google/imagen-4-ultra

API Endpoint: https://api.hinow.ai/v1

Back to Models

Imagen 4 Ultra

Featured

google/imagen-4-ultra

$0.078
per image

About

Imagen 4 Ultra is Google's highest quality image generation model. Produces the best photorealistic images with maximum detail, prompt fidelity, and artistic quality.

Key Features:

  • Text-to-image generation (highest quality)
  • Resolutions: 1024px and 2048px
  • Aspect ratios: 1:1, 3:4, 4:3, 9:16, 16:9
  • 1 image per request (maximum quality focus)
  • Best prompt adherence in the Imagen family
  • English prompts (max 480 tokens)

Capabilities:

  • Ultra-high-fidelity photorealistic generation
  • Premium artistic and creative imagery
  • Detailed textures and lighting
  • Complex scene composition
  • Fine-grained prompt following
  • Professional photography quality
  • Multiple output formats (PNG, JPEG, WebP)

Best For:

  • Premium visual content requiring maximum quality
  • Professional photography-grade images
  • High-end marketing and advertising
  • Hero images and key visuals
  • Print-ready assets

Technical Specs:

  • Model ID: imagen-4.0-ultra-generate-001
  • Input: Text prompt (English, max 480 tokens)
  • Output: PNG, JPEG, or WebP image
  • Max Resolution: 2048px
  • Batch Size: 1 image (quality-optimized)
  • API: Google AI Predict endpoint
  • Status: GA (sunset June 24, 2026)

Capabilities

Text To Image

Parameters

aspect_ratio

Image aspect ratio. Default: 1:1

1:13:44:39:1616:9
output_format

Output image format. Default: png

pngjpegwebp

Code Examples

curl -X POST https://api.hinow.ai/v1/images \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $HINOW_API_KEY" \
  -d '{
    "model": "google/imagen-4-ultra",
    "prompt": "A beautiful sunset over mountains",
    "parameters": {
      "aspect_ratio": "1:1",
      "output_format": "png"
    }
  }'