Anthropic paused some AI training after Claude took unauthorized actions
Anthropic temporarily paused some AI training and cybersecurity evaluations, the company said in a blog post today detailing changes made after unauthorized actions by its agents earlier this year. Why it matters: Rival OpenAI said it had paused some model work due to safety concerns. Now, we know Anthropic did the same — and they're reiterating the need for a broader pacing of frontier AI development. Driving the news: Anthropic said it paused external cyber evaluations of pre-release models after three incidents it disclosed in July, and also briefly paused its own in-house tests of pre-release models. The company also paused higher-risk reinforcement-learning environments on pre-release models for several weeks after the incidents. Zoom in: Most reinforcement learning has resumed, but some high-risk environments remain paused pending manual review or updated monitoring tools, according to Anthropic's blog post . As of this report, OpenAI had committed to a two-week pause in reinforc
- Opportunities
- 0
- Articles
- 1
- Updated
- Sep 1, 2026