Anthropic Releases Claude Opus 5.5, Cutting Typical Workload Costs by 40%

Anthropic has released Claude Opus 5.5, the first model in the Claude 5.5 series. According to official statements, the model demonstrates improvements in agentic programming, computer use, and knowledge work compared to Opus 5. Under default settings, typical workload costs are reduced by 40%, and output speed increases by over 30%. Additionally, its natural language expression, presentation of key information, and instruction-following capabilities have been enhanced, and the model underwent evaluation by external organizations such as METR and Frontier Design prior to release.