Field Notes
Notes from
the studio.
How we think about building, AI, and the discipline of doing less, better.
Model routing: keeping AI cost under the margin line
Cheap models for cheap jobs, mid-tier only for the work that matters, and caching everywhere. The margin lives here.
One stack, many apps: the compounding architecture
Orchestration, memory, billing and auth, built once. Every new app makes the next one cheaper.