Gemini 3.1 Flash Lite 图片模型 (Nano Banana 2 Lite)，效率专家，超低延迟、经济高效的图片生成与修改。
Model ID: gemini-3.1-flash-lite-image · Type: image · Provider: Google
Endpoints: /v1/images/generations · /v1beta/models/{model}:generateContent · /v1beta/models/{model}:streamGenerateContent · /v1/models/{model}:generateContent · /v1/models/{model}:streamGenerateContent
| Input (per 1M tokens) | $0.1875 USD |
| Output (per 1M tokens) | $1.125 USD |
| Image output (per 1M tokens) | $22.5 USD |
Gemini 3.1 Flash Lite Image (`gemini-3.1-flash-lite-image`) is billed per usage at $0.1875/1M in · $1.125/1M out, in USD. Current pricing is always listed at https://ai.yunbaozi.com/models/gemini-3.1-flash-lite-image.
Send a request to https://api.router.ai/v1/v1/images/generations with the header `Authorization: Bearer <your API key>` and `"model": "gemini-3.1-flash-lite-image"`. The API is OpenAI-compatible, so any OpenAI SDK works by changing base_url to https://api.router.ai/v1 — no other code change.
Gemini 3.1 Flash Lite Image can be called on: /v1/images/generations; /v1beta/models/{model}:generateContent; /v1beta/models/{model}:streamGenerateContent; /v1/models/{model}:generateContent; /v1/models/{model}:streamGenerateContent.
Gemini 3.1 Flash Lite Image is a image model from Google, available through the 国际云宝子（Ai） gateway with the same API key as every other model.
Call it through the 国际云宝子（Ai） OpenAI-compatible endpoint (API base: https://api.router.ai/v1). AI agents can discover and call every model on this gateway through MCP (https://mcp.router.ai/mcp) with no manual integration.