Unverified50% confidenceFactExact time
Anthropic states that Opus 5.5 is more than 30% faster than the previous generation and can save approximately 40% of compute under default settings.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/30/2026
First Seen
Valid until: 12/29/2026
Sources
Related Entities
Related Claims
UnverifiedAnthropic states that Opus 5.5 can reduce total costs for typical tasks by approximately 40% and improve output speed by more than 30%.70% similarUnverifiedIn the Artificial Analysis composite index, Opus 5.5 scored 58, Sol scored 48, and Luna scored 37.68% similarUnverifiedIf a senior engineer originally spent 30% of their time writing code and 70% thinking and verifying, and AI compresses the 30% down to 5%, the upper limit of overall efficiency improvement is approximately 25%67% similarUnverifiedAn independent evaluation organization measured Opus 5.5 as ranking fourth among 60 models, with a score slightly lower than the previous generation.67% similarUnverifiedAnthropic's claimed 40% reduction is based on a comparison using default settings (the new model defaults to mid-tier, while the previous generation defaulted to high-tier); at the same tier, the new model thinks more, so actual consumption is not necessarily lower.67% similar
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