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What next/image Actually Does: srcset, AVIF, and the Cache

Web Dev

April 202610 min read

What next/image Actually Does: srcset, AVIF, and the Cache

Inside the next/image pipeline: how srcset gets generated, how AVIF and WebP are negotiated, where the optimizer cache lives, and the misuse that wastes it all.

April 20269 min read

LLM Prompt Caching: The Cheapest Cost Optimization You Are Not Using

Prompt caching cuts LLM input costs by up to 90 percent. How caching economics differ across Anthropic, OpenAI, and Gemini, and how to architect prompts for it.

RAG vs Fine-Tuning: An Honest Decision Framework

AI/ML

April 20269 min read

RAG vs Fine-Tuning: An Honest Decision Framework

RAG and fine-tuning solve different problems, and most teams pick wrong. A practical framework for deciding which one your LLM feature actually needs.