# Grok 4.5

Grok 4.5 是 xAI 的 AI 模型，於 2026-07-08 發布。

- 開發商: xAI
- Id: grok-4-5
- 據報導: 2026-11-09T03:44:19.000Z
- 已發布: 2026-07-08T00:00:00.000Z
- 發現: 2026-10-07T19:38:07.564Z
  - [參考連結](https://docs.x.ai/developers/release-notes#grok-45-available-in-the-eu)
- 狀態: 已發布
- API 開放: 2026-07-08
  - [參考連結](https://docs.x.ai/developers/release-notes)
- 產品更新: 2026-07-22
  - [參考連結](https://x.ai/news/grok-4-5-everywhere)
- 產品更新: 2026-07-28
  - [參考連結](https://x.ai/news/grok-github-copilot)
- API 開放 (EU): 2026-07-17
  - [參考連結](https://docs.x.ai/developers/release-notes#grok-45-available-in-the-eu)
- 標準網址: https://alexgetman.com/zh-Hant/models/xai/grok-4-5-2/

## 常見問題

### Grok 4.5 何時發布？

2026-07-08。

## 時間軸

- 2026-11-15T11:49:36.717Z · [GitHub search · xAI · pulls · anomalyco/models.dev · @EminBudak](https://github.com/anomalyco/models.dev/pull/13131)
> | `xai/grok-4-5` | `xai/grok-4.5` | 2 / 6 | |
- 2026-11-15T12:08:18.523Z · [GitHub search · xAI · pulls · luongnv89/freetokens · @luongnv89](https://github.com/luongnv89/freetokens/pull/729)
> | unverifiable | The official Grok 4.5 announcement (x.ai/news/grok-4-5, dated Jul 16, 2026) says free usage is 'for a limited time in Grok Build and

## 參考連結

- [review](https://docs.x.ai/developers/release-notes)
- [xai-release-notes](https://docs.x.ai/developers/release-notes#grok-45-available-in-the-eu)
- [GitHub search · xAI · pulls · anomalyco/models.dev · @EminBudak](https://github.com/anomalyco/models.dev/pull/13131)
- [GitHub search · xAI · pulls · luongnv89/freetokens · @luongnv89](https://github.com/luongnv89/freetokens/pull/729)
- [xai-articles](https://x.ai/news/grok-4-5-everywhere)
- [xai-articles](https://x.ai/news/grok-github-copilot)

## 訊號