# Grok 4.5 确认发布：Opus 级、更快更便宜

- 来源：Chubby♨️ (@kimmonismus)
- 发布时间：2026-07-08 16:17
- AIHOT 分数：58
- AIHOT 链接：https://aihot.virxact.com/items/cmrbt1eru070dihl1odn8f2ct
- 原文链接：https://x.com/kimmonismus/status/2074769715617046993

## AI 摘要

Elon Musk 宣布，基于测试版客户的积极反馈，xAI 将于明日公开发布 Grok 4.5。该模型达到 Opus 级别，但更快、更 token 高效且成本更低。此前 Grok 版本参数规模较小，此次 Grok 4.5 正式进入旗舰级。主推文对与 Cursor 的合作成效表示期待。

## 正文

Grok 4.5 for today (Wednesday) confirmed!

Opus class model but cheaper. Really really excited for their release.

Elon had previously stated that their earlier Grok releases had significantly fewer parameters; with version 4.5, they are now entering the flagship tier.

I’m curious to see how the Cursor deal pays off!

### 引用推文

> Elon Musk：Based on strong positive feedback from customers in our beta test program, @SpaceXAI will make Grok 4.5 available to the public tomorrow. It is an Opus-class mo...