nano-banana-pro (gemini-3-pro-image) is optimized based on the previous generation gemini-2.5-flash-image, offering more professional drawing capabilities. It supports image creation and editing in 1k, 2k, and 4k quality, making it the preferred choice among current drawing models.
Different token groups have different prices. Unit: Million tokens (M)
/v1/chat/completionsPOST/v1/messagesPOST/v1beta/models/gemini-3-pro-image:generateContentPOST