Using Nano Banana 2.1 (Gemini Nano Banana 2.1) on OpenRouter
Implementation guide · Gemini 3.1 · Google DeepMind
OpenRouter exposes Nano Banana 2.1 (Gemini Nano Banana 2.1) through model ID google/gemini-nano-banana-2.1. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.
Last refreshed 2026-10-07. Next refresh: weekly.
Quick Start
- 1
- 2Use the OpenRouter SDK or REST API to call
google/gemini-nano-banana-2.1— see the documentation for request format. - 3
Code Examples
Pricing on OpenRouter
| Type | Price (per 1M) |
|---|---|
| Input tokens | $1.50 |
| Output tokens | $7.50 |
| Image input | $1.00 |
Capabilities
About Nano Banana 2.1 (Gemini Nano Banana 2.1)
Nano Banana 2.1 (API id gemini-nano-banana-2.1, GA 6 October 2026) is Google's high-efficiency Gemini image generation and conversational editing model, succeeding Nano Banana 2 (gemini-3.1-flash-image). First-party Gemini API docs: text/image/video/PDF in, image+text out; 131,072 input / 32,768 output tokens; Thinking levels minimal/medium/high; Google Web and Image Search grounding; up to 14 reference images; 1K/2K/4K output (default 1K); Batch API supported; caching not supported. DeepMind model card (Published 6 October 2026) says it is based on Gemini 3.6 Flash.