Anthropic releases Mythos-class Fable 5 model with safeguards for cyber risks (opens in new tab)  👁️Computer vision  Content type: News  3 articles covering this post

Anthropic built on its previously restricted Mythos architecture: Claude Fable 5, which is being made broadly available, and Claude Mythos 5, which remains limited to a small group of cybersecurity and infrastructure partners. Anthropic describes Fable 5 as the most capable model it has ever released to the public, outperforming previous Claude models across software engineering, scientific research, vision, and complex knowledge-work tasks. Anthropic says the model’s advantage grows as tasks...