Context Engineering at the Model Level

The window is a budget you allocate: what goes in, where it sits, and how structure interacts with caching and attention.

Content last verified 2026-09.

Lessons

1. Allocating the Window
2. Structure and Placement
3. Grounding with Context
4. When Context Isn’t Enough

Sources

• Liu et al. (2023) — Lost in the Middle: How Language Models Use Long Contexts
• Lewis et al. (2020) — Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks
• Brown et al. (2020) — Language Models are Few-Shot Learners (in-context learning)