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Show HN: Learn by rebuilding Redis, Git, a database from scratch

AI·Site offers 80+ structured courses for building real systems including Redis, Git, databases, compilers, and kernels from scratch in Python, Go, Rust, and others.

开源模型赢了Token流量，Anthropic赚走了大部分钱

AI·Open-source models attract more traffic and earn most of the revenue, causing Anthropic's revenue to drop from dominance to a small fraction of the market.

VultronRetriever family of models released on HuggingFace![R]🔥 hot

AI·VultronRetriever family of models is released on Hugging Face, topping MTEB leaderboard classes including VultronRetrieverPrime-8B as global #1, with offline iPhone Q&A and embedding demo.

The U.S. tech industry is increasingly anxious about the rising power and competitive price of open-source AI models from China — and whether the Trump administration will respond with yet another executive order | Politico

Politico: Wall Street’s new obsession: Which CEOs have Trump’s ear?: https://www.politico.com/newsletters/politico-influence/2026/07/10/wall-streets-new-obsession-which-ceos-have-trumps-ear-00993324 submitted by /u/Nunki08 [link] [comments]

Patch the Planet: a Daybreak initiative to support open source maintainers

OpenAI introduces Patch the Planet, a Daybreak initiative helping open-source maintainers find, validate, and fix vulnerabilities with AI and expert review.