Users are complaining about the sensitive guardrails built into the company's new "Mythos-class" model, Fable 5. They're also worried about might happen next.

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

Anthropic launched Claude Fable 5 on Tuesday, a Mythos-class model with safeguards blocking cybersecurity and biology queries, priced at $10 per million input tokens.

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

Company also changes data retention policy