---
title: "Prime window · Glossary · Agentic Atlas"
description: "Prime window: shorthand for an empirically estimated efficient operating region for a stated task distribution, model, context construction, outcome measure…"
canonical: "https://agentic-atlas.dev/glossary/prime-window"
last-updated: "2026-09-23"
---

1. [Agentic Atlas](https://agentic-atlas.dev/)
2. [Glossary](https://agentic-atlas.dev/glossary)
3. Prime window

Glossary definition

# Prime window

Atlas key

prime-window

Catalog order

30

Used in

1 section

Catalog revision · e0cb75881244b1a82193ca738b82a0d508dd62e822524ae82873ec79d51dbb61

shorthand for an empirically estimated efficient operating region for a stated task distribution, model, context construction, outcome measure, and cost/latency constraint. A revisable evaluation target, not a universal token threshold. ([context economy](https://agentic-atlas.dev/nodes/context-economy), [context efficiency](https://agentic-atlas.dev/nodes/context-efficiency))

[Browse the complete glossary](https://agentic-atlas.dev/glossary)

## Used in

- [Context Efficiency](https://agentic-atlas.dev/nodes/context-efficiency#definition) Definition · 1 mention