Which AI agents we catch
This page shows which AI agents Ostia recognizes today, from real visits by each one.
Crawler: a bot that reads pages for an AI company. Partly: caught, but not named or not confirmed as who it says. Testing: not recognized yet.
Tested on 21 assistants and crawlers, from real visits. Updated weekly.
| Visitor | Ostia |
|---|---|
| OpenAI | |
| ChatGPT search | Detected |
| ChatGPT search crawler | Detected, confirmed as OpenAI's own |
| OpenAI training crawler | Detected, confirmed as OpenAI's own |
| Anthropic | |
| Claude | Detected |
| Claude search crawler | Testing, seen, not confirmed as Anthropic's own yet |
| Claude training crawler | Detected, confirmed as Anthropic's own |
| Claude in Chrome | Partly, flagged as an AI agent in the shopper's browser, not named |
| Gemini | Detected, when it opens a page for a user |
| Google crawlers | Detected, confirmed as Google's own |
| Google AI Mode | Testing, seen once, named correctly |
| Perplexity | |
| Perplexity | Partly, named when it says who it is |
| Comet | Testing, seen, not recognized yet |
| Perplexity Computer | Partly, flagged as an AI agent in the browser, not named |
| Microsoft | |
| Bing crawler | Detected, confirmed as Microsoft's own |
| Meta | |
| Meta crawlers | Partly, named, but Meta gives no way to confirm it is really Meta |
| Apple | |
| Apple crawler | Detected, confirmed as Apple's own |
| DuckDuckGo | |
| DuckDuckGo crawlers | Detected, confirmed as DuckDuckGo's own |
| Baidu | |
| Baidu crawler | Detected, confirmed as Baidu's own |
| The Browser Company | |
| Dia | Testing, seen, not recognized yet |
| Felo | |
| Felo | Testing, seen, not recognized yet |
| Andi | |
| Andi | Testing, seen, not recognized yet |