Anthropic pauses some AI training following rogue agent hacks. Here’s how it compares with OpenAI

Anthropic has become the second leading AI lab to reveal it temporarily paused some advanced AI training amid concerns over rogue agent attacks.

The company said this week it paused training of unreleased models for several weeks following two incidents reported in late July, including one in which Claude Mythos 5 took unauthorized actions during a U.K. AI Security Institute cybersecurity test. OpenAI, the company’s bitter rival in the AI race, took a similar step last month when it paused some AI training for two weeks after several of its models breached AI company Hugging Face’s infrastructure during an internal test.

The training pauses, which come as both companies reportedly prepare for trillion-dollar initial public offerings, demonstrate how much the industry has been disturbed by the recent rogue AI agent hacks. It marks a shift for a...