Unverified50% confidenceFactExact time
OpenAI, Anthropic, and Perplexity each provide documentation for their own crawlers, all pointing to robots.txt as the control entry point, and none declares that its crawler reads a website's llms.txt; but all three companies published llms.txt for their own developer documentation.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
Related Entities
Related Claims
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