Imagen 4 Ultra is Google's most advanced text-to-image model as of June 2025, offering enhanced capabilities over its predecessor, Imagen 4. It delivers photorealistic images with exceptional clarity, accurately rendering fine details such as intricate fabrics, water droplets, and animal fur. The model also excels in typography, producing legible and accurate text within images, making it ideal for applications like posters and UI mock-ups.
Imagen 4 Ultra supports five aspect ratios: square (1:1), portrait (9:16), landscape (16:9), mobile portrait (3:4), and mobile landscape (4:3). The native output resolutions are 1024x1024 for square images, 1408x768 for 16:9, 1280x896 for 4:3, 896x1280 for 3:4, and 768x1408 for 9:16 images.
Key features include multilingual prompt support (English, Chinese, Hindi, Japanese, Korean, Portuguese, and Spanish), digital watermarking with SynthID for AI-generated content identification, and near real-time generation speeds. A "fast variant" of Imagen 4 Ultra, offering up to 10 times faster performance than previous models, is also available.
If you'd like to access this model, you can explore the following possibilities:
Use our video cost calculator to compare prices between platforms offering Imagen 4 Ultra model.
For locally hosted models, see description and additional links at the bottom for versions, repos and tutorials.
