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AI

My notes and thoughts on new AI research and how it’s built.

• Anthropic replaced Git with Scion. Here’s why AI broke Git

  AI agents now write so much code at Anthropic that Git couldn’t keep up. So a team of seven built Scion, a new way to store and share code. Here’s my take on what it is and why it matters.

  6 November 2026 · 10 min read

• Weight-Space Programming II: what the critics and replications found

  MIT’s weight-space programming post went viral. Then people checked it. Here’s what the critiques, re-runs and side experiments found, and what still holds up.

  5 November 2026 · 9 min read

• An AI edited another AI’s weights, and its math score jumped from 7.9% to 48.1%

  Inside MIT CSAIL’s weight-space programming study, where GPT-6 Astra fixed Qwen3.5-0.8B by editing 0.016% of its weights, and what the result does and doesn’t show.

  5 November 2026 · 9 min read