xAI 发布 Grok 4.5：最强编码与智能体模型

AI 摘要

xAI 发布了其最先进的模型 Grok 4.5，专为编码、智能体任务和知识工作设计。该模型在数万块 NVIDIA GB300 GPU 上训练，强调数据过滤和强化学习，以提升推理效率和编码能力。Grok 4.5 已集成到 Grok Build、Cursor 和 SpaceXAI 控制台，定价为每百万输入 token 2 美元、输出 token 6 美元，并宣称具有两倍的 token 效率。

正文节选

Grok 4.5 is SpaceXAI's smartest model built for coding, agentic tasks, and knowledge work. Today, we're launching Grok 4.5, SpaceXAI's smartest model built to excel at coding, agentic tasks, and knowledge work. It's our strongest model ever and was trained alongside Cursor. Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at

发布时间：—

抓取时间：2026-08-03 18:47

来源机构：xAI