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Anthropic·Jun 9, 2026·v5·paid

Claude Fable 5 and Claude Mythos 5

Anthropic has launched Claude Fable 5, a Mythos-class model designed for general use, and Claude Mythos 5, an enhanced version with advanced cybersecurity capabilities. Both models exhibit exceptional performance across various domains, including software engineering, knowledge work, vision, and scientific research. The release of these models signifies a significant advancement in AI capabilities, offering powerful tools for a wide range of applications.

LLMsAI AgentsInfrastructure
overview

Anthropic has launched Claude Fable 5, a Mythos-class model designed for general use, and Claude Mythos 5, an enhanced version with advanced cybersecurity capabilities. Both models exhibit exceptional performance across various domains, including software engineering, knowledge work, vision, and scientific research. The release of these models signifies a significant advancement in AI capabilities, offering powerful tools for a wide range of applications.

key features
  • 01State-of-the-art performance on nearly all tested AI capability benchmarks
  • 02Exceptional performance in software engineering, knowledge work, vision, and scientific research
  • 03Autonomous operation for extended periods
  • 04Advanced cybersecurity capabilities in Mythos 5
  • 05Safeguards to prevent misuse in sensitive areas
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