A recent leak of Anthropic’s Claude 4 AI system prompt has given businesses a unique view into how advanced language models handle online search and content visibility. The system categorizes queries into four types, each determining whether and how external sources are searched and cited. For business owners and marketers, understanding these categories is essential for optimizing content to appear in AI-generated responses.
Claude’s decision-making process separates queries into these main groups:
– “Never_search”: For stable facts or general knowledge, Claude uses its internal database, meaning external content is not cited. Businesses relying on traffic from basic informational content may see reduced visibility.
– “Do_not_search_but_offer”: When Claude’s knowledge is sufficient but fresher data might help, it answers first and then offers to search. Examples include population stats or annual figures—recent updates here can increase the chance of being cited.
– “Single_search”: For real-time or frequently changing topics like weather, sports results, or breaking news, Claude performs a targeted search, presenting the best opportunity for content creators to have their pages linked.
– “Research”: Complex, multi-faceted queries trigger multiple searches and tool calls. In-depth reports, comparative analyses, and comprehensive guides are most likely to be referenced in these cases.
Unlike traditional search engines that rank by authority or backlinks, Claude prioritizes semantic relevance, quotability, and unique content. This means that highly structured, clearly organized, and easily quotable information is favored. Short, direct facts, updated data, and interactive content such as calculators or custom reports are especially valuable.
Copyright rules also shape citation behavior. Claude is programmed to avoid copying more than 15 words at a time and cannot include large excerpts, song lyrics, or substantial text blocks. As a result, content that is hard to summarize—such as step-by-step processes, personalized advice, or interactive experiences—remains attractive for direct user visits.
For practical business application:
- Update data-driven pages regularly to increase chances of being cited in “single_search” queries.
- Structure content for clarity—use bullet points, headers, and concise answers to make information easily extractable.
- Offer unique insights and tools that AI cannot easily paraphrase, such as interactive charts, calculators, or expert commentary.
- Avoid relying solely on general knowledge content, as AI systems answer these internally without external links.
AI-powered platforms like Google’s Gemini and OpenAI’s ChatGPT show similar trends, moving away from classic SEO ranking factors toward citation-worthiness and content utility. Marketers should focus on creating materials that provide value beyond what AI can summarize, positioning their content as the go-to resource for in-depth, actionable information.
In summary, success in the AI-driven search landscape comes from offering up-to-date, well-structured, and uniquely valuable content that is both quotable and difficult for AI to fully replicate. By aligning content strategy with these new AI behaviors, businesses can maintain and grow their online visibility as artificial intelligence continues to reshape how users discover information.