Glossary/AI in Marketing/Context Window
AI in Marketing
Context Window
The maximum amount of text, measured in tokens, an AI model can consider at once, including the prompt, documents, and its own reply.
By Brandon Mina·CEO, BrandPilot AI·Updated November 2026
Short answer
A context window is the maximum amount of text, measured in tokens, that an AI model can consider at once, including the prompt, any supplied documents and its own reply. Content beyond the limit is cut off or ignored, so long inputs may need summarizing, chunking or retrieval techniques.