Introduction Most AI application tutorials fall into one of two categories: Python notebooks that stop at the demo, or raw fetch calls to an LLM API that stop before streaming works. Neither is where production JavaScript applications live. The Vercel AI SDK is a TypeScript library that handles the gap between a raw LLM API … Read more
Introduction Prompt engineering is the practice of designing inputs to language models to reliably produce useful outputs. That definition sounds simple. The implications are not. The same model given two different prompts can produce dramatically different outputs — one correct and useful, the other wrong and confidently stated. No code change, no fine-tuning, no infrastructure … Read more
Introduction Anthropic made Extended Thinking generally available for the Claude API on June 26, 2026. Extended Thinking is a mode where Claude works through a problem step by step before generating a final answer — thinking through intermediate reasoning that is visible to developers but not included in the response token count in the same … Read more