Anthropic has announced the availability of Claude Fable 5 on AWS, extending access to its first publicly released Mythos-class AI model. Fable 5 delivers advanced performance in software engineering, research, reasoning, and long-running agent workflows, while incorporating safeguards that limit responses in high-risk areas such as cybersecurity, biology, and chemistry.
Sensitive requests may be routed to a more restricted model to help prevent misuse. The launch allows AWS customers to access frontier AI capabilities through familiar cloud infrastructure while benefiting from Anthropic’s safety framework.
The company positions Fable 5 as a balance between powerful AI performance and responsible deployment.
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