# Elon Musk 确认 Grok 4.5 明日公开发布

- 来源：Rohan Paul (@rohanpaul_ai)
- 发布时间：2026-07-08 16:32
- AIHOT 分数：66
- AIHOT 链接：https://aihot.virxact.com/items/cmrbugjd3003oihpd3024jk2t
- 原文链接：https://x.com/rohanpaul_ai/status/2074773660196291064

## AI 摘要

Elon Musk 确认 Grok 4.5 将于明天向公众发布。该模型基于 xAI 的 V9 基础模型，拥有 1.5T 参数，约为当前生产版本 v8-small 的 3 倍。V9 预训练于 2026 年 5 月 26 日完成，之后通过 Cursor 编程数据补充训练，强化学习仍在继续。xAI 计划 2026 年底前每月发布从头训练的新模型。Elon 称 Grok 4.5 为 Opus 级别模型，但速度更快、token 效率更高、成本更低。当前公开 API 模型仍为 Grok 4.3（Amazon Bedrock）。

## 正文

wow. Elon Musk just cofirmed Grok 4.5 launching tomorrow.

Some details that we know so far about Grok 4.5 from 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

> 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...