ChatGPT’s Search Index, llms.txt Confusion & the Rise of AI Shopping

ChatGPT’s Search Index, llms.txt Confusion & the Rise of AI Shopping

September 10, 2026 · 16 min · Episode 90

About this episode

Cassie Clark discusses Peec AI's research on OpenAI's Labrador retrieval index and the confusion surrounding llms.txt files.

Send us Fan Mail 📬 You like this podcast? You’ll love the newsletter. Join the weekly The Visibility Report: subscribe In this Found in AI news update, Cassie Clark breaks down Peec AI’s research into OpenAI’s Labrador retrieval index, including the separate indexes identified for web content, news, shopping, YouTube, PDFs, and more. Then, we look at Common Crawl’s analysis of more than 584,000 llms.txt files and what it tells us about the confusion surrounding llms.txt, robots.txt, and AI cr...

More episodes of Found in AI: AI Search Visibility, SEO, & GEO

Explore listener stats, chart rankings, contacts and more on the Found in AI: AI Search Visibility, SEO, & GEO podcast page.