Generates 0.5K, 1K, 2K, and 4K images across a broad set of aspect ratios.
Gemini
Gemini 3.1 Flash Image
Fast image creation from 0.5K to 4KAPI formatOpenAI · Image Generation
Nano Banana 2 delivers fast, production-grade image generation and conversational editing from 0.5K through 4K.
gemini-3.1-flash-imageModel details
Capabilities, benchmarks, and typical use
Gemini 3.1 Flash Image, also known as Nano Banana 2, is optimized for low-latency, high-volume image generation and conversational editing. It accepts text, images, and PDF documents and returns images and text. The model supports thinking and Google text and image search grounding, with improved multilingual text rendering and aspect-ratio adherence. Official image output pricing is $60 per million image tokens; a 1K image costs approximately $0.067 and a 4K image approximately $0.151. Text and thinking output costs $3 per million tokens.
Can use current text and image search results to inform image generation.
Provides stronger multilingual text rendering and visual consistency.

