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What the engineers at Anthropic write about, ranked by depth and by what readers find useful.
01Anthropic · architecture
Anthropic experienced a massive surge in code generation due to AI coding tools, causing git to become a critical bottleneck for their monorepo. To scale, the team built Scion, a custom version control system optimized for online clients and server-side computation. This new architecture reduced infrastructure resource requirements by 200x and drastically improved checkout speeds for CI jobs.
DEPTH ■■■■■17 min read13 days ago
02Anthropic · architecture
Anthropic faced significant model distillation attacks where malicious actors used proxy networks and prompt engineering to harvest Claude's hidden reasoning data. To combat this, the team implemented preserved thinking constraints, a two-stage constitutional classifier, and stricter account limits. These defenses successfully reduced extracted reasoning tokens by 90% to 99%, though they introduced operational trade-offs for legitimate users.
DEPTH ■■■■■9 min read2 weeks ago
