Gemini 3.1 Flash Image (Nano Banana 2) vs Gemini 3.1 Flash Lite Image

A side-by-side comparison of Gemini 3.1 Flash Image (Nano Banana 2) and Gemini 3.1 Flash Lite Image: input/output pricing, capabilities and available endpoints, served live from 聚合 AI 中转站. Both are reachable with the same API key.

Pricing comparison

ItemGemini 3.1 Flash Image (Nano Banana 2)Gemini 3.1 Flash Lite Image
Input (per 1M tokens)$0.375$0.1875
Output (per 1M tokens)$2.25$1.125

Which should you pick

Which is cheaper, Gemini 3.1 Flash Image (Nano Banana 2) or Gemini 3.1 Flash Lite Image?

On input, Gemini 3.1 Flash Lite Image is cheaper ($0.375 vs $0.1875 per 1M tokens). On output, Gemini 3.1 Flash Lite Image is cheaper ($2.25 vs $1.125 per 1M tokens). All prices are per million tokens in USD.

Can I switch between Gemini 3.1 Flash Image (Nano Banana 2) and Gemini 3.1 Flash Lite Image without changing my code?

Yes. Both are available on 聚合 AI 中转站 through one API key and the same OpenAI-compatible endpoint — switching means changing the model field from "gemini-3.1-flash-image-preview" to "gemini-3.1-flash-lite-image", nothing else.

Both are available on 聚合 AI 中转站 under one API key — switching between them means changing the model field and nothing else, so you can use each where it fits rather than picking one.

Gemini 3.1 Flash Image (Nano Banana 2) · Gemini 3.1 Flash Lite Image · All models