# AI System Cards > A readable archive of AI model system cards, faithfully converted from the > original PDFs into markdown and HTML. Each card below links to its complete > markdown transcription (figures referenced by absolute URL). ## Cards - [Claude Fable 5 & Claude Mythos 5](https://malob.github.io/ai-system-cards/anthropic/claude-fable-5/card.md): Anthropic, 2026-06-09. System card for Claude Mythos 5 and Claude Fable 5, two configurations of a new large language model from Anthropic. Covers RSP evaluations, cyber capabilities, safeguards and harmlessness, agentic safety, alignment assessment, model welfare, and capabilities.