Google Imagen is a dedicated image generation model family, separate from Gemini. Imagen models are specialised for high-quality text-to-image generation.
Good to know:
Company: Google
Model Families: Imagen
Free Tier: Yes (with limits)
The latest Imagen model with the best overall image quality.
A higher quality variant of Imagen 4, producing more detailed images at a higher cost.
A faster, more cost-effective variant of Imagen 4.
The previous generation Imagen model.
Text to Image: Yes
Reference Image: No
Image to Image (editing): No
Multi-Image input: No
The setup is identical to Google Gemini, except you select Imagen as the Image Service. You can use the same Google API key.
Imagen models do not support the 2:3, 3:2, and 21:9 aspect ratios. They also do not support the "small" size option.