每日 AI 简报 · 2026-07-02

今日共收录 30 条 AI 资讯。重点包括：Introducing Claude Sonnet 5；allenai/olmocr - Toolkit for linearizing PDFs for LLM datasets/training；Venice AI becomes a unicorn with $65M Series A as its privacy-first AI platform takes off；Meta, like SpaceX, looks to turn excess AI compute into cash；独家｜清华系初创完成数亿元种子轮融资：我们不想被贴上「世界模型」的标签。整体来看，大模型能力与产品化落地继续并行推进，开源生态与算力/基础设施仍是高频主题。建议关注头部模型与关键工具更新带来的研发效率、成本结构与商业化机会变化。