Most site owners don’t realize how much of their content large language models (LLMs) already gather. ChatGPT, Claude, and Gemini pull from publicly available pages unless you tell them otherwise. That’s where LLMs.txt for SEO comes into the picture.LLMs.txt gives you a straightforward way to tell AI crawlers how your content can be used. It doesn’t change rankings, but it adds a layer of control over model training, something that wasn’t available before. This matters as AI-generated answers take up more real estate in search results nowadays. Your content may feed those answers unless you explicitly opt out. LLMs.txt provides clear rules for what’s allowed and what isn’t, giving you leverage in a space that has grown quickly without much input from site owners. Whether you allow or restrict access, having LLMs.txt in place sets a baseline for managing how your content appears in AI-driven experiences. Key Takeaways LLMs.txt lets you control how AI crawlers such as GPTBot, ClaudeBot, and Google-Extended use your content for model training. It functions similarly to robots.txt but focuses on AI data usage rather than traditional crawling and indexing. Major LLM providers are rapidly adopting LLMs.txt, creating a clearer standard for consent. Allowing access may strengthen your presence in AI-generated answers; blocking access protects proprietary material. LLMs.txt doesn’t impact rankings now, but it helps define your position in emerging AI search ecosystems. What is LLMs.txt? LLMs.txt is a simple text file you place at the root of your domain to signal how AI crawlers can…