Anthropic launches Claude Opus 5.5: Benchmarks, pricing, safety

Anthropic has released Claude Opus 5.5, a new AI model the company says performs at roughly the same level as its Claude Fable 5.1 model on most work, but at a significantly lower cost.The model, announced on Tuesday, Sept. 22, is the first in Anthropic's new Claude 5.5 family. According to the company's announcement, Opus 5.5 costs about 40 percent less to run on typical workloads than Opus 5, which launched in July. Anthropic said Claude Sonnet 5.5 and Claude…