llms.txt
A plain-text file placed at the root of a domain (yourdomain.com/llms.txt) that describes a business to AI systems — its name, services, pricing, and contact information.
KEY FACTS
- —Proposed standard by Jeremy Howard (fast.ai) in 2024, rapidly adopted in 2025–2026
- —Structured like a markdown file: sections for services, pricing, contact, description
- —AI crawlers actively look for llms.txt to understand business context
- —Sites with llms.txt receive significantly more AI citations than sites without
- —File should be at least 150 words to score full points in AI visibility audits
- —No plugin or CMS integration needed — upload a plain .txt file to your web server
- —Zygur generates a free llms.txt for any business at zygur.com/tools/llms-txt
FREQUENTLY ASKED
What is an llms.txt file?
llms.txt is a plain-text file at your domain root that tells AI language models about your business — what you do, who you serve, your services, and pricing. It's read by GPTBot, ClaudeBot, and PerplexityBot.
How do I create an llms.txt file?
Use Zygur's free generator at zygur.com/tools/llms-txt. Fill out your business details and get a ready-to-upload file in 30 seconds. Then place it at yourdomain.com/llms.txt.
Is llms.txt the same as robots.txt?
No. robots.txt tells crawlers what they're not allowed to access. llms.txt tells AI systems what your business is and does. They serve opposite purposes and both are needed.
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Check your AI visibility score — free in 60 seconds.
See exactly how you score on llms.txt and four other AI visibility factors. Average score is 23/100.
Score My Site →ZYGUR TECHNOLOGIES CORP. · AI SEARCH OPTIMIZATION KNOWLEDGE BASE · ZYGUR.COM/KB