Curated developer articles, tutorials, and guides — auto-updated hourly


Few-shot is the default prompt-engineering advice. On three task shapes, it tanks accuracy and infla...


Most production prompts shatter on every model upgrade. A four-section XML skeleton turns prompt-as-...


Across five production-shaped extraction tasks, XML tags parse cleaner, stream incrementally, and su...


A 50-line script that A/B tests prompt changes against your eval set, surfaces per-slice regressions...


Five fields in your system prompt quietly evict the cache on every request. Move them and your hit r...


Three of your five few-shot examples contribute nothing. A 50-line leave-one-out harness proves it a...


reasoning_effort: high triples your bill and only helps on a few task types. Here's how to measure w...


Most business owners are spending too much time on repetitive operational work. Not a strategy. No...


Enterprise agents are not built from one component. 🛡️ Need implementation, not just insights?.....