Nano Banana 专业版 (GA) — Google Gemini 多模态图像生成. Thinking 推理 + 高保真文本渲染. 1K/2K 同价档, 4K 高端档.
Model ID: gemini-3-pro-image · Type: image · Provider: Google
Endpoints: /v1/images/generations
| Input (per 1M tokens) | $1.5 USD |
| Output (per 1M tokens) | $9 USD |
| Image output (per 1M tokens) | $90 USD |
Gemini 3 Pro Image (Nano Banana Pro) (`gemini-3-pro-image`) is billed per usage at $1.5/1M in · $9/1M out, in USD. Current pricing is always listed at https://370.ai/models/gemini-3-pro-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-pro-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 Pro Image (Nano Banana Pro) is a image model from Google, available through the 370.AI gateway with the same API key as every other model.
Call it through the 370.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.