Less than two weeks after Anthropic CEO Dario Amodei urged the AI industry to “pace the frontier” before it loses control of the technology it’s currently racing to build, the company has released its most powerful model to date. Unveiled Tuesday, Claude Opus 5.5—the first in a new family of models, soon to be joined by Sonnet 5.5 and Haiku 5.5—specializes in agentic coding, computer use, and knowledge work, all of which are key benchmarks for Anthropic’s