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Got another update to Grok Build.....it’s receiving daily improvements at a rapid pace Release Notes: v0.2.73 Features: • Keep text selection highlight setting added so drag selections stay visible until dismissed. Bug Fixes: • Doubled lines after tab switches or focus changes in tmux or editor terminals are now healed. • Clipboard copy now only shows success when the pasteboard actually received the text via a trusted path.

xAI 这节奏有点猛，Grok 4.5 已经在 SpaceX 和特斯拉内部测试，还计划每月推新 AI 模型？马斯克这是要卷死同行吧 但每月迭代听起来像赶工，质量能保证吗？兴奋点是它可能加速 AI 竞赛，危险点是内部测试数据不透明 我不太信这种速成模式，等后续实锤

Grok 4.5 已在 SpaceX 和 Tesla 进入私有 beta 测试 基于 xAI 1.5 万亿参数 V9 基础模型，额外加入 Cursor 代码训练数据。早期评估显示性能接近甚至可能超过 Claude Opus。RL 仍在持续显著提升模型，Grok Build harness 正针对真实 SpaceX/Tesla 工程环境进行迭代优化。 Elon 提到，一批顶尖 Starlink/Starship 工程师正把大量时间转向 AI，同时 SpaceXAI 今年每月将发布全新从头训练的模型。

@aaronburnett Truly massive gains will come in ~3 months when the entire training and inference stack is written in C/C++ and massively simplified (most software layers will be deleted completely) and we exact-map Grok to work incredibly well on a GB300