# Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

`google/gemini-3.1-flash-image-preview` — **openrouter** · CHAT

> Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) (google/gemini-3.1-flash-image-preview) is a chat model from openrouter with a 131.1K-token context window; capabilities reasoning, vision; input image, text; output image, text.

| Field | Value |
| --- | --- |
| Vendor | openrouter |
| Kind | CHAT |
| Context window | 131,072 tokens |
| Max output tokens | 65,536 tokens |
| Indicative price (US list) | $0.5 in / $3 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | image, text |
| Output modalities | image, text |
| Capabilities | reasoning, vision |
| Sources | committed, openrouter-api |
| Last verified | 2026-07-24 |

*Part of the [Model Catalog](https://openviglet.github.io/model-catalog/) — [openrouter models](https://openviglet.github.io/model-catalog/models/openrouter/) · [Vendor JSON](https://openviglet.github.io/model-catalog/by-vendor/openrouter.json) · [HTML](https://openviglet.github.io/model-catalog/models/openrouter/google-gemini-3.1-flash-image-preview.html)*