GPT-5's First Week: Margin Engineering, Context Ceilings, and Token Discipline
Why GPT-5's unified router model changes AI unit economics and why token discipline is becoming a core engineering capability.
Writing
Technology writing and notes on AI infrastructure, retrieval, and platform systems.
Technology
Notes
Shipping AI Infra: Interfaces Before Optimization
In retrieval systems, stable interfaces and rollout discipline usually matter more than early micro-optimizations.
[Lab Note] Cost-Per-Correct as a Key LLM Metric
A practical case for optimizing LLM systems on cost-per-correct instead of quality metrics in isolation.