jason· @jxnlco · X·· 2026-09-18AI 评分61
AI 导读
Exa 发布 Exa Snapshot，一个收录 4000 亿张历史网页快照的索引，支持像搜索过去一样检索网页。官方称 Snapshot 已被用于预测模型回测、实验室 RL 训练和探索前 AI 时代的网络等场景。作者 Jason Liu 转发了该发布并感叹视频以 Astra 剪辑。
正文 · 原文
Edited with Astra!?! That’s crazy @donaldjewkes
We built a time machine for the web. Introducing Exa Snapshot: an index of 400 billion historical snapshots of webpages that lets you search as if it's the past. Snapshot is already being used for backtesting prediction models, RL at labs, exploring the pre-AI web, and more.在 X 查看被引用的帖子
来源：jason · x.com