# Auto Router

`openrouter/auto` — **openrouter** · CHAT

> Auto Router (openrouter/auto) is a chat model from openrouter with a 2M-token context window; proprietary (API-only); capabilities tools, vision, reasoning; input audio, image, pdf, text, video; output image, text.

| Field | Value |
| --- | --- |
| Vendor | openrouter |
| Kind | CHAT |
| Context window | 2,000,000 tokens |
| Max output tokens | 2,000,000 tokens |
| Input modalities | audio, image, pdf, text, video |
| Output modalities | image, text |
| Capabilities | tools, vision, reasoning |
| Weights | Proprietary (API-only) |
| Release date | 2023-11-08 |
| Sources | models-dev, openrouter-api |
| Last verified | 2026-11-05 |

*Part of the [Model Catalog](https://models.viglet.org/) — [openrouter models](https://models.viglet.org/models/openrouter/) · [Vendor JSON](https://models.viglet.org/by-vendor/openrouter.json) · [HTML](https://models.viglet.org/models/openrouter/openrouter-auto.html)*