Hacker News
We made Grok 4.5, GPT-5.5, and Claude build the same apps
A hands-on build-off pits Grok 4.5, GPT-5.5, and Claude against each other on identical app development tasks, offering a real-world look at how each model performs beyond benchmark scores. The test cuts through marketing noise by evaluating the models on practical output — code quality, coherence, and completion. For developers choosing an AI coding assistant, comparative evaluations like this carry more weight than lab results.
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What's slowing down the AI buildout
The AI industry's explosive infrastructure expansion is running headlong into a stubborn constraint: the electrical grid simply cannot keep pace with demand. Permitting delays, aging transmission infrastructure, and limited substation capacity are forcing data center developers to wait years for grid connections. As AI compute requirements continue to scale, energy availability — not chips or capital — may prove to be the binding limit on progress.
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Postgres rewritten in Rust, now passing 100% of the Postgres regression tests
A developer has rewritten PostgreSQL in Rust and reached a significant milestone: passing 100% of the official Postgres regression test suite. The project, dubbed pgrust, demonstrates that a full reimplementation of one of the world's most battle-tested databases is within reach using modern systems languages. For the database and Rust communities alike, this raises serious questions about performance gains, memory safety improvements, and whether a Rust-native Postgres could eventually challenge the original.
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The Verge
Meta is reportedly working on smart glasses that would be recording all the time
Meta is developing prototype smart glasses capable of continuous audio recording and capturing photos every few seconds, feeding that data directly to its AI assistant. Unlike existing wearables, the raw footage may not even be accessible to the wearer — processed instead by Meta AI behind the scenes. The move signals an aggressive push into always-on ambient intelligence, raising immediate questions about privacy and data control.
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