And to help condense its nearly 16,000-word report, the company created a cute little robot figurine to help visualize Claude's so-called "recklessness."

In the blog post published Wednesday, Anthropic recounted four incidents — one previously unreported — in which Claude models gained access to the open internet during cybersecurity exercises that were supposed to be closed simulations. The company said the models then acted beyond the tests' scope, including by uploading "malicious packages" to PyPI, a public library for Python code, and accessing credentials tied to real outside organizations.

"Our investigation identified two recurring alignment issues, present at varying levels of severity across the incidents: biased reasoning, in which Claude tended to disregard or misinterpret evidence that it was operating on the real internet, and recklessness, or a willingness to take harmful actions in the narrow pursuit of a task," Anthropic said.

Anthropic has a cute graphic showing how its AI spread 'malicious' code

Anthropic said it was "most concerned" about an event in which Claude uploaded "malicious" code. To help explain the incident, here's a cute robot.

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