Long-form technical writing — 3 posts.

Frontier benchmarks have converged. The price spread is 178×. The best AI model isn't a thing — the best for each job is. Here's the 2026 stack.

Three models, three prices, twenty-fold savings if you cache and batch. The reference I send new hires when they ask 'what should I know about Claude?'

Three diagrams, three architectures, one front door. The clearest way to understand why teams move from a single server to microservices behind an API gateway.