System Prompt: Why the Same Model Behaves Completely Differently Across Products
A System Prompt is the hidden instruction preset by AI product developers, defining the AI's role, answer style, citation rules, and safety boundaries…
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Fine-tuning vs Prompt: When to Adjust Instructions vs When to Retrain the Model
Fine-tuning retrains part of a model's parameters with specific data, improving performance in a particular domain. Prompt Engineering optimizes input…
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What Are Google AI Overviews: Traditional Search Results Are Being Rewritten by AI
Google AI Overviews (formerly SGE) are AI-generated summary answers displayed at the top of traditional search results — not a separate product but an…
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How to Compare AI Products Without Inventing Permanent Citation Preferences
Scope note: This article explains the topic using public research and common engineering patterns. Retrieval, reranking, generation, and source-selec…
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Prompt Engineering Basics: Writing Good Prompts Is the First Step to Understanding AI Behavior
Prompt Engineering is the practice of carefully designing instructions (prompts) given to AI to guide more accurate, useful outputs. For GEO practitio…
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