Blog
We Upgraded to a Frontier Model and Our Costs Went Down
We switched to a frontier model and our costs went down. Here's the architecture that made it possible.
Andrea Luzzardi
How We Built Our AI Agent
Multi-agent architecture, Firecracker sandboxes, durable execution, and a decade of CI expertise encoded in prompts. How we built Mendral's agent system in production.
Sam Alba
LLMs Are Good at SQL. We Gave Ours Terabytes of CI Logs.
We gave our AI agent a SQL interface to billions of CI log lines in ClickHouse. How we ingest, store, and query 1.5 billion log lines a week.
Andrea Luzzardi
What CI Actually Looks Like at a 100-Person Team
575K CI jobs, 1.18 billion log lines, 33 million test executions — in one week. What we learned building an AI agent for PostHog's CI at scale.
Sam Alba