AI
AI2026-04-06
Your Million-Token Context Window Is a Lie
Models advertise 1M tokens but fall apart at 130K. The context window arms race is solving the wrong problem.
9 min read
// TAG
3 articles
Models advertise 1M tokens but fall apart at 130K. The context window arms race is solving the wrong problem.
RAG solves real problems, but teams reach for it reflexively. Here are the specific scenarios where it makes your system slower, harder to maintain, and dumber.
Retrieval-Augmented Generation is the most practical AI pattern of 2025. Here's a minimal but production-ready implementation using LangChain, ChromaDB, and the OpenAI API.