# Grok 4.5 即将上线，基于 1.5T 参数 V9 模型

- 来源：Rohan Paul (@rohanpaul_ai)
- 发布时间：2026-07-07 05:25
- AIHOT 分数：54
- AIHOT 链接：https://aihot.virxact.com/items/cmr9r731i0089ihpsnf65rwvk
- 原文链接：https://x.com/rohanpaul_ai/status/2074243395099427300

## AI 摘要

@testingcatalog 在 Grok 网页发现 "Unlock the full power of Chat with Grok 4.5" 踪迹，预示 Grok 4.5 即将上线。多方确认，Grok 4.5 基于 xAI 的 V9 基础模型，拥有 1.5T 参数，约为当前生产模型 V8-small 的 3 倍。V9 预训练于 2026 年 5 月 26 日完成，之后通过补充训练加入 Cursor 编码数据，强化学习仍在进行中。xAI 计划到 2026 年底每月发布从头训练的新模型。当前公开 API 模型仍为 Amazon Bedrock 上的 Grok 4.3。

## 正文

Grok 4.5 almost ready to drop？

Some details about Grok 4.5 that have now been confirmed by various reports.

- Grok 4.5 is built on xAI's V9 foundation model with 1.5T parameters.

- That makes it about 3x larger than v8-small， which currently serves production traffic on X.

- V9 pre-training was completed on May 26， 2026.

- Cursor coding data was added after pre-training through supplemental training.

- Reinforcement learning is still ongoing.

- xAI is planning monthly new-model releases trained from scratch through the end of 2026.

- Grok 4.3 remains the current public API model on Amazon Bedrock.

### 引用推文

> 🚨 AI News | TestingCatalog：BREAKING 🔥: TRACES OF GROK 4.5 HAVE BEEN SPOTTED ON THE GROK WEB! > Unlock the full power of Chat with Grok 4.5 SOON 👀