Claude Fable 5.2 and Mythos 5.2 now available on AWS Bedrock

Fable 5.2 excels in technical coding, math, and science with self-validation and long-running reasoning. Mythos 5.2 is available via verification programs for cybersecurity and life sciences. Both models offer improved reliability and reduced hallucinations over prior versions. Use requires up to 30 days of data retention and human review; zero retention is available until June 30, 2027, for eligible internal use.

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