#architecture

Articles tagged "architecture"

3 articles

Model routing: why choosing Haiku, Sonnet, or Opus matters more than your prompt

80% of AI cost reduction comes from sending the right request to the right model — not from prompt engineering. A practical guide to model routing in production.

ai-costarchitectureclaude

Apr 23, 2026·7 min read

Prompt caching: the 90% cost reduction nobody talks about

Anthropic's ephemeral cache discount is mechanically simple but operationally hard. The placement pattern, the 1024-token threshold, and what can and cannot be cached.

ai-costarchitectureclaude

Apr 23, 2026·6 min read

Strategy-to-architecture loops: why themes need initiatives need apps

Most EA tools model architecture or strategy, not the loop. Themes without initiatives are aspirations. Initiatives without applications are theatre. Here is the loop in plain language.

strategyarchitectureplaying-to-win

Apr 23, 2026·10 min read