‘Fable 5’ is the same system as controversial Mythos but comes with safeguards

Anthropic launches Mythos with Fable 5. Six capabilities for agents: 80.3% code reasoning, extended thinking, autonomy. Vision, science acceleration, enterprise pricing

Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardrails that block responses in high-risk areas like…

‘Fable 5’ is the same system as controversial Mythos but comes with safeguards

Company also changes data retention policy