Anthropic Launches Dual Claude 5.1 Models With Advanced Scientific Capabilities And Zero-Retention-Equivalent Privacy For Regulated Industries

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Anthropic launches Claude Fable 5.1 and Claude Mythos 5.1, two versions of the same model whose intensive use now costs up to 45% less.

Numerama

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With its new Fable 5.1 and Mythos 5.1 models, Anthropic claims a new level of performance, but simultaneously deploys a whole arsenal of controls. June 2026: Fable 5 and Mythos 5 had a chaotic public release, after being suspended under Washington order. Less than three months

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Claude Fable 5.1 and Mythos 5.1 are the new AI models by Anthropic that offer better performance and protection (only Fable 5.1 is public).The post Fable 5.1 and Mythos 5.1 are safer and respect the AI Act appeared first on Punto Informico.

itsocial.fr

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Anthropic publishes Claude Fable 5.1 and Claude Mythos 5.1, the same model sold under two guard regimes, three months after a launch of Fable 5 marked by a federal suspension and a 30-day data retention. The business logs will now be stored in the customer's cloud, under its keys, while Anthropic continues to [...] The post Anthropic loosens Fable 5.1's cyber filters and reserves Mythos 5.1 to the American organizations appeared first on IT SOCI…