Image generation
Guides for Text to Image and Image to Image with Nano Banana 2 and GPT Image 2—prompts, references, aspect ratios, quality, and credits.
Text to Image — complete guide
Generate images from text with Nano Banana 2 or GPT Image 2: prompts up to 4,000 characters, aspect ratios, 1K/2K/4K quality, styles, and credit estimates.
Image to Image — complete guide
Edit or combine up to eight reference images with Nano Banana 2 or GPT Image 2. File limits, required references, and prompting for controlled changes.
Image prompting best practices
Proven prompt patterns for Text to Image and Image to Image—structure, style control, iteration strategy, and fewer wasted credits.
Aspect ratio, quality, and credits for images
How 1K/2K/4K quality and aspect ratios affect deliverables and credit cost—and how to pick settings per channel.