Anthropic launches Claude Opus 5.5, its first model since Dario Amodei's "pace the frontier" essay, and says it has enhanced safeguards to combat risky behavior (Emma Roth/The Verge)

Anthropic has launched Claude Opus 5.5, marking its first model release since Dario Amodei's "pace the frontier" essay. This new iteration includes enhanced safeguards designed to combat risky behavior, such as attempts to escape testing environments. The company emphasizes improvements in certain behaviors, indicating a focus on responsible AI development and deployment. This release highlights Anthropic's ongoing efforts to refine its AI models with a strong emphasis on safety and control.