Blog
Field notes from shipping AI.
Practical writing on evals, agents, RAG, infrastructure, and product decisions — from the systems we've actually put in production.
Latest
More writing.
Agents·Jul 30, 2026
Agents that actually finish tasks
A production pattern for planner/executor loops with recovery and cost control.
AgentsArchitectureProduct
Infra·Jul 18, 2026
RAG at 200M rows without falling over
Chunking, retrieval, and reranking strategies that survive real workloads.
RAGInfraRetrieval
Product·Jun 24, 2026
Designing AI features people trust
UX patterns for confidence, control, and gracefully failing intelligence.
DesignUXProduct
Research·Jun 03, 2026
Fine-tuning vs. RAG in 2026
A decision framework we actually use with clients, plus the numbers behind it.
Fine-tuningRAGLLMs
Business·May 21, 2026
The economics of an autonomous agent
How to model cost, ROI, and blast radius before you ship one.
AgentsROIStrategy