ClaudeBot vs OAI-SearchBot
ClaudeBot and OAI-SearchBot compared on 15 documented fields, from 22 claims, last verified 2026-09-15.
| Field | ClaudeBot | OAI-SearchBot | Comparison |
|---|---|---|---|
| anti_circumvention_stance | documented | not documented | different |
| cites_sources | not documented | yes | different |
| honours_crawl_delay | yes | not_documented | different |
| observed_arrival_before_sitemap | not documented | yes | different |
| observed_fetches_json | yes | not documented | different |
| observed_fetches_markdown | yes | not documented | different |
| observed_first_request_path | /sitemap.xml | not documented | different |
| observed_format_pass_order | html_json_md | not documented | different |
| publishes_ip_list | yes | yes | same |
| purpose_documented | training | search | different |
| reads_llms_txt | not documented | not_documented | different |
| respects_robots_txt | yes | yes | same |
| separate_search_and_training_tokens | yes | yes | same |
| user_agent_string_full | not_documented | Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot | different |
| verifiable_by_rdns | not_documented | not_documented | same |
Differences
Sources
- https://claude.com/crawling/bots.json
- https://developers.openai.com/api/docs/bots
- https://openai.com/searchbot.json
- https://rattlesnakesbymail.com/observed/claudebot
- https://rattlesnakesbymail.com/observed/oai-searchbot
- https://support.claude.com/en/articles/8896518-does-anthropic-crawl-content-from-the-web-and-how-can-site-owners-block-the-crawler