cohere-ai
Cohere AI web crawler bot
About this crawler
cohere-ai is a web crawler identified by the regular-expression pattern cohere-ai in the User-Agent request header. It is categorised as ai-crawler. Use the regex above to detect, log, allow, or block cohere-ai traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
4.3%
Technical details
- Name
- cohere-ai
- Pattern
cohere-ai- Tags
- ai-crawler
- Reference
- https://cohere.com
- Added
- 2026/04/07
- rDNS suffixes
.cohere.ai,.cohere.com- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely cohere-ai with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.
.cohere.ai.cohere.com
Sample User-Agent strings
cohere-ai
Block this crawler
robots.txt — disallow cohere-ai:
User-agent: cohere-ai
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} cohere-ai [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "cohere-ai") {
return 403;
}
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