In a statement provided to Fortune after the leak, an Anthropic spokesperson described Claude Mythos as an AI performance ...

Anthropic’s Claude Mythos leak reveals a powerful new AI tier with gains in reasoning, coding & cybersecurity—plus IPO ...

Anthropic unwittingly revealed its upcoming “Claude Mythos” model due to a content management error on March 27, 2026. The ...

Anthropic is currently testing Claude Mythos, its most advanced AI model, following a data leak revealing potential ...

Claude Mythos 5 and Capabara leaked details point to a 10-trillion-parameter model and a planned slow rollout over misuse concerns.

A draft blog post left in an unsecured data cache revealed a new model tier called Capybara that Anthropic says is more capable than anything it has built, with the company flagging "unprecedented" ...

The cybersecurity sector has slumped this year on fears that new AI will massively disrupt their business models.

The model could significantly heighten cybersecurity risks by rapidly finding and exploiting software vulnerabilities, ...

A security breach exposed Anthropic's Claude Mythos AI model, revealing advanced capabilities and IPO plans for October 2026 ...

Palo Alto Networks (NASDAQ:PANW) and Okta (NASDAQ:OKTA) are both selling off sharply Friday, with PANW stock sliding 6% to ...

Reports about a model dubbed ‘Claude Mythos’ have raised fresh alarms over artificial intelligence and cyber threats. The ...

Cybersecurity stocks fell Friday, with CrowdStrike (NASDAQ:CRWD) dropping 7%, Palo Alto Networks (NASDAQ:PANW) declining 6%, Zscaler (NASDAQ:ZS) down 4.5%, and Okta (NASDAQ:OKTA), SentinelOne (NYSE:S) ...