# Bayer Global robots.txt # https://www.bayer.com/ # Default rules for all compliant crawlers User-agent: * Disallow: /search/ Disallow: /*? # OpenAI: allow ChatGPT Search User-agent: OAI-SearchBot Allow: / Disallow: /search/ Disallow: /*? # OpenAI: allow user-requested retrieval User-agent: ChatGPT-User Allow: / Disallow: /search/ Disallow: /*? # OpenAI: block model-training crawler User-agent: GPTBot Disallow: / # Anthropic: allow Claude Search User-agent: Claude-SearchBot Allow: / Disallow: /search/ Disallow: /*? # Anthropic: allow user-requested retrieval User-agent: Claude-User Allow: / Disallow: /search/ Disallow: /*? # Anthropic: block model-training crawler User-agent: ClaudeBot Disallow: / # Perplexity: allow search indexing and citations User-agent: PerplexityBot Allow: / Disallow: /search/ Disallow: /*? # Perplexity: allow user-requested retrieval User-agent: Perplexity-User Allow: / Disallow: /search/ Disallow: /*? # Mistral: allow AI search indexing User-agent: MistralAI-Index Allow: / Disallow: /search/ Disallow: /*? # Mistral: allow user-requested retrieval User-agent: MistralAI-User Allow: / Disallow: /search/ Disallow: /*? # Google: opt out of Gemini model training and grounding # Does not affect Google Search, AI Overviews or AI Mode User-agent: Google-Extended Disallow: / # Apple: opt out of Apple generative-AI model training # Does not block regular Applebot search crawling User-agent: Applebot-Extended Disallow: / # Meta: block model-training crawler User-agent: meta-externalagent Disallow: / # Common Crawl: block collection for public datasets User-agent: CCBot Disallow: / # ByteDance: block AI-training crawler User-agent: Bytespider Disallow: / Sitemap: https://www.bayer.com/sitemap.xml