# Veo 3.1 fast

`veo-3.1-fast-generate-preview` — **gemini** · VIDEO

> Veo 3.1 fast (veo-3.1-fast-generate-preview) is a video model from gemini with a 480-token context window; input text; output video.

| Field | Value |
| --- | --- |
| Vendor | gemini |
| Kind | VIDEO |
| Context window | 480 tokens |
| Max output tokens | 8,192 tokens |
| Input modalities | text |
| Output modalities | video |
| Sources | gemini-api |
| Last verified | 2026-07-24 |

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