Posts tagged with "RAG"

4 posts found

Mar 31, 2026 training data context window parametric memory fine-tuning RAG knowledge cutoff

Context Window vs. Training Data: Two Completely Different Things

Training data is everything the model learned. The context window is what it's thinking about right now. Here's why the distinction matters.

Mar 31, 2026 lost in the middle attention distribution prompt engineering RAG softmax attention

The 'Lost in the Middle' Problem: Why Your AI Ignores Information in the Center of Long Prompts

Research proved that LLMs attend strongly to the beginning and end of context but poorly to the middle. This is a mathematical property, not a bug.

Mar 31, 2026 AI memory stateless systems RAG context persistence AI sessions

Why Does My AI Forget Everything Between Sessions?

AI models are stateless. Each conversation is a fresh start. There's no database storing what you said yesterday. Here's why — and what it means for you.

Mar 31, 2026 RAG retrieval augmented generation long context vector database context stuffing

Why RAG Exists: Context Windows Are Too Small for Your Data

If context windows were infinite, free, and didn't degrade, we wouldn't need RAG. Here's why retrieval-augmented generation exists and when to use it.