Back
Guides

Tokens and Context Windows: What They Mean for Cost, Speed and Quality

How tokens and context windows work, how they drive cost and latency, and practical ways to fit the right information into a prompt.

Format
Guide · Beginner
Level
Beginner
Length
10 min read
Updated
Sep 2026
Topics
LLM context window, what are tokens in AI, token limits

Why this matters

Almost every practical limit of an LLM application, from cost to response time to answer quality, comes back to tokens. Understanding them helps you design prompts and systems that stay fast and affordable as usage grows.

Read the full guideGuide · Beginner · 10 min read
Start reading