PANews, September 23: Anthropic has launched Claude Opus 5.5, the first model in the Claude 5.5 series. The model achieves performance levels comparable to Claude Fable 5.1 on most tasks, reduces operational costs by approximately 40% compared to Opus 5, improves inference speed by over 30%, and delivers significant enhancements in agent-based coding, computer operations, and knowledge work scenarios. Anthropic states that Opus 5.5 is its first new model following its call to slow down the frontier model race. It has undergone testing by external organizations including METR and Frontier Design and achieved its best-ever results in its most comprehensive internal alignment evaluations.
Anthropic Launches Claude Opus 5.5 with 40% Cost Reduction
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Summary
Anthropic has released Claude Opus 5.5, the first model in the Claude 5.5 series, offering a 40% cost reduction compared to Opus 5. The model delivers performance on par with Claude Fable 5.1, increases inference speed by over 30%, and enhances capabilities in coding and knowledge tasks. It has passed METR and Frontier Design tests and achieved the highest score in Anthropic’s latest alignment evaluation. This on-chain news update highlights new token listings and model advancements.
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