llm: GPTBot policy: allow comment: OpenAI's GPTBot is allowed to access content for research and model training. llm: Google-Extended policy: allow comment: Google AI is allowed to access content for AI training purposes. llm: ClaudeBot policy: allow comment: Anthropic's ClaudeBot is permitted to access content. llm: CCBot policy: allow comment: Common Crawl is allowed to access content for general indexing. llm: PerplexityBot policy: allow llm: Amazonbot policy: allow llm: You.com policy: allow llm: FacebookBot policy: allow llm: Bytespider policy: allow llm: cohere-ai policy: allow llm: gpt-collect policy: allow llm: DuckDuckBot policy: allow llm: ai-crawler policy: allow llm: yandexbot policy: allow llm: Sogou policy: allow