Websites blocking OAI-SearchBot

OpenAI's search crawler. It builds the index behind ChatGPT search features and is separate from GPTBot, so sites can allow search visibility while blocking model training.

Operated by OpenAI · Search and AI assistant · operator documentation

3.61% block OAI-SearchBot 899K of 24.91 million domains with a known robots.txt policy 0.18% block it by name 45,934 domains, the rest inherit a blanket * block 0.40% restrict it by name 99,650 domains name it and close some of its paths 1.18% name it in robots.txt 293K domains give it rules of their own

Data for Aug 2026. All four percentages divide by the same 24.91 million domains. Blocked counts both explicit User-agent: OAI-SearchBot blocks and blanket * blocks the crawler inherits.

Historical mentions, HTTP Archive

Share of sites in each month's HTTP Archive crawl whose robots.txt named OAI-SearchBot. This series counts mentions only (the archive keeps no rule text), comes from a different population than our own crawl above, and the two are never merged.

High-authority sites blocking OAI-SearchBot by name

Domain OPROpen Page Rank Blocking since
nytimes.com 9.28/10 Aug 2026
bbc.com 9.15/10 Aug 2026
congress.gov 9.05/10 Aug 2026
msn.com 9.04/10 Aug 2026
lefigaro.fr 8.95/10 Aug 2026
quora.com 8.92/10 Aug 2026
huffpost.com 8.91/10 Aug 2026
claude.ai 8.87/10 Aug 2026
mashable.com 8.87/10 Aug 2026
francetvinfo.fr 8.87/10 Aug 2026
smh.com.au 8.86/10 Aug 2026
wikihow.com 8.81/10 Aug 2026
pcmag.com 8.80/10 Aug 2026
technologyreview.com 8.78/10 Aug 2026
amazon.it 8.78/10 Aug 2026
mirror.co.uk 8.73/10 Aug 2026
rfi.fr 8.73/10 Aug 2026
metro.co.uk 8.72/10 Aug 2026
ctvnews.ca 8.72/10 Aug 2026
mainichi.jp 8.69/10 Aug 2026
france24.com 8.68/10 Aug 2026
nikkeibp.co.jp 8.68/10 Aug 2026
express.co.uk 8.65/10 Aug 2026
nhk.jp 8.64/10 Aug 2026
launchpad.net 8.63/10 Aug 2026
vermont.gov 8.63/10 Aug 2026
fedoraproject.org 8.62/10 Aug 2026
adage.com 8.62/10 Aug 2026
uic.edu 8.61/10 Aug 2026
francebleu.fr 8.61/10 Aug 2026

Sites whose robots.txt names OAI-SearchBot (or a legacy alias) with a full block, ranked by Open Page Rank. Sites blocking every crawler with a blanket * rule are counted above but not listed here. Since dates start at our first observation of the rule.

Restricting some paths

Crawler first seen in the wild around Jul 2024. How to block it and what each state means is on the methodology page.

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