# Grok Code Fast 1

`grok-code-fast-1` — **xai** · CHAT

> Grok Code Fast 1 (grok-code-fast-1) is a chat model from xai with a 256K-token context window; proprietary (API-only); capabilities tools, reasoning; input text.

| Field | Value |
| --- | --- |
| Vendor | xai |
| Kind | CHAT |
| Context window | 256,000 tokens |
| Max output tokens | 256,000 tokens |
| Indicative price (US list) | $0.2 in / $1.5 out per 1M tokens (indicative US list — verify with vendor) |
| Cited capability index | intelligence index 21.6 · math 43.3 (cited from Artificial Analysis — verify at the source) |
| Input modalities | text |
| Capabilities | tools, reasoning |
| Weights | Proprietary (API-only) |
| Sources | artificial-analysis, committed, litellm, overrides |
| Last verified | 2026-07-24 |

*Part of the [Model Catalog](https://openviglet.github.io/model-catalog/) — [xai models](https://openviglet.github.io/model-catalog/models/xai/) · [Vendor JSON](https://openviglet.github.io/model-catalog/by-vendor/xai.json) · [HTML](https://openviglet.github.io/model-catalog/models/xai/grok-code-fast-1.html)*