Context Window — The maximum amount of text an AI model can process at once, measured in tokens. GPT-4o: 128K tokens. Claude: 200K tokens. Gemini: 1M tokens. Larger context windows let models work with longer documents but cost more and can be slower.
Why It Matters
Understanding Context Window is essential for anyone building or evaluating AI systems. As AI tools proliferate, knowing the fundamentals helps you make better decisions about which tools to trust and deploy.
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