Agent Grade / AI bots by site / singular.net
Does singular.net block ChatGPT?
singular.net lets Google and AI search in. ChatGPT search is allowed, and OpenAI's training bot is allowed. From its public robots.txt, checked 23 to 24 October 2026. It ranks #854 on the Tranco list of top sites.
| Bot | What it does | Home page | Deciding rule |
|---|---|---|---|
| Googlebot | Google Search | Allowed | no rule blocks it |
| Bingbot | Bing / Copilot | Allowed | no rule blocks it |
| OAI-SearchBot | ChatGPT search | Allowed | User-agent: OAI-SearchBot / Allow: / |
| ChatGPT-User | ChatGPT (user asks) | Allowed | User-agent: ChatGPT-User / Allow: / |
| GPTBot | OpenAI training | Allowed | User-agent: GPTBot / Allow: / |
| Claude-SearchBot | Claude search | Allowed | no rule blocks it |
| Claude-User | Claude (user asks) | Allowed | no rule blocks it |
| ClaudeBot | Anthropic training | Allowed | User-agent: ClaudeBot / Allow: / |
| PerplexityBot | Perplexity search | Allowed | User-agent: PerplexityBot / Allow: / |
| Perplexity-User | Perplexity (user asks) | Allowed | no rule blocks it |
| Google-Extended | Gemini training | Allowed | User-agent: Google-Extended / Allow: / |
| Applebot-Extended | Apple AI training | Allowed | User-agent: Applebot-Extended / Allow: / |
| CCBot | Common Crawl | Allowed | User-agent: CCBot / Allow: / |
| meta-externalagent | Meta AI | Allowed | no rule blocks it |
| Bytespider | ByteDance | Allowed | User-agent: Bytespider / Allow: / |
"Blanket rule": singular.net never names that bot; a rule for every bot (User-agent: *) applies. llms.txt: Yes. robots.txt is what a site asks bots to do; some sites also block bots at the network edge.
Questions
Does singular.net block ChatGPT search?
No. In its robots.txt as checked 23 to 24 October 2026, singular.net lets OAI-SearchBot, the crawler behind ChatGPT search, read its home page.
Does singular.net block GPTBot?
No. singular.net lets GPTBot, OpenAI's training crawler, read its home page.
Does singular.net block Claude?
ClaudeBot (Anthropic training): allowed. Claude-SearchBot (Claude search): allowed. Claude-User (fetches for a person): allowed.
Does singular.net have an llms.txt file?
Yes, singular.net serves an llms.txt file.
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