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

TechFlow reports that on September 23, Anthropic released the first model of the Claude 5.5 series, Claude Opus 5.5. The company stated that the model offers improvements over Opus 5 in agent programming, computer use, and knowledge work, reducing typical workload costs by 40% and increasing output speed by over 30% at default settings. Additionally, its natural language expression, presentation of key information, and instruction-following capabilities have been enhanced, and it was evaluated by external organizations such as METR and Frontier Design prior to release.