# xAI: Grok Build 0.1

`x-ai/grok-build-0.1` — **openrouter** · CHAT

> xAI: Grok Build 0.1 (x-ai/grok-build-0.1) is a chat model from openrouter with a 256K-token context window; capabilities tools, reasoning, vision; input image, pdf, text; output text.

| Field | Value |
| --- | --- |
| Vendor | openrouter |
| Kind | CHAT |
| Context window | 256,000 tokens |
| Indicative price (US list) | $1 in / $2 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | image, pdf, text |
| Output modalities | text |
| Capabilities | tools, 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/x-ai-grok-build-0.1.html)*