Anthropic Releases Limited Public Version of Cybersecurity Model Fable With Strict Guardrails

Anthropic released its model Fable on Tuesday as a public and limited version of its cybersecurity model Mythos. The company placed guardrails on Fable to limit the risk that it could be used to develop malware or compromise software. It also restricted biology topics due to concern around developing biological weapons.

Valentina “Chompie” Palmiotti, who works at IBM X-Force, said Fable “rejects any request that could be tangentially cyber related. ” Anthropic released Mythos in April and initially restricted it to a limited number of companies and organizations under Project Glasswing. Last week the company expanded access to Mythos to hundreds of organizations in 15 countries.

8 if it hits a guardrail. ” Suiche said the approach is understandable in the early days of such releases. “It’s better to catch more people than not enough when you do such a release and to relax the guardrails over time,” he said.

Anthropic requires cybersecurity professionals to apply to the Cyber Verification Program. Approved applicants have fewer limitations on using Claude for cybersecurity work. OpenAI has a similar program called Trusted Access for Cyber.