Why Context Windows Matter in Generative AI

Posted on Fri 04 September 2026 in GenAI • Tagged with ContextWindow, GenerativeAI, LLM, LargeLanguageModels, Tokens, ContextLength, Transformers, PromptEngineering, ContextEngineering, RAG, AIApplications, ArtificialIntelligence, MachineLearning, LLMPerformance, AIExplained.

## Introduction

When interacting with a Generative AI system, we often focus on the question we ask and the answer we receive. However, there is another important factor working behind the scenes: the context window.

The context window determines how much information an AI model can consider at one time while …


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