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Anthropic Launches Fable and Mythos 5.1: Enhanced AI Models with Privacy Upgrades

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  • Anthropic has released its most advanced AI models, Fable 5.1 and Mythos 5.1, with significant performance improvements and security enhancements.
  • Fable 5.1 is accessible to a broad audience, available on cloud platforms or via Anthropic API, while Mythos 5.1 remains exclusive to partners in cybersecurity and life sciences.
  • The release introduces a significant change with the implementation of Zero Data Retention, allowing users to operate the AI on their infrastructure without data outflows and ensuring improved data privacy.
  • Enterprise Frontier Safeguards, a high-privacy service, will be available in June, offering monitoring systems that clients can control.
  • Anthropic guarantees data security, stating no enterprise data has been accessed without consent.
  • The new models set records in various benchmarks and contributed to discoveries like GPU optimization and high-res Venus mapping.
  • System card evaluations indicate Mythos 5.1 presents "low-risk" levels for AI autonomy but is slightly more prone to misbehavior compared to other models due to its advanced capabilities.