# Sixtyfour — https://www.sixtyfour.ai
#
# Everything here is public marketing and research content, and every
# crawler is welcome. See /llms.txt for a curated map of what this site
# says, written for machine readers.

User-agent: *
Allow: /

# Answer engines and AI crawlers, named explicitly. Same permission as
# above; stated so the decision is on the record rather than inherited.
# OpenAI — training and ChatGPT browsing
User-agent: GPTBot
Allow: /

# OpenAI — ChatGPT search index
User-agent: OAI-SearchBot
Allow: /

# OpenAI — fetches a page a user asked about
User-agent: ChatGPT-User
Allow: /

# Anthropic — training and Claude citations
User-agent: ClaudeBot
Allow: /

# Anthropic — fetches a page a user asked about
User-agent: Claude-User
Allow: /

# Anthropic — search index
User-agent: Claude-SearchBot
Allow: /

# Perplexity — index and citations
User-agent: PerplexityBot
Allow: /

# Perplexity — fetches a page a user asked about
User-agent: Perplexity-User
Allow: /

# Google — Gemini grounding and AI Overviews
User-agent: Google-Extended
Allow: /

# Apple — Apple Intelligence
User-agent: Applebot-Extended
Allow: /

# Common Crawl — the corpus most models are built on
User-agent: CCBot
Allow: /

# ByteDance
User-agent: Bytespider
Allow: /

# Meta
User-agent: meta-externalagent
Allow: /

Sitemap: https://www.sixtyfour.ai/sitemap.xml