Unverified50% confidenceOpinionExact time
Opus 4.5 was basically a perfect-score answer in this test, and the UP host commented "indeed powerful".
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/21/2026
First Seen
Valid until: 11/4/2026
Sources
Related Entities
Related Claims
UnverifiedOpus 5.5 surpassed contemporaneous competing products on almost all benchmarks.75% similarUnverifiedIn terminal operation tests, Claude Opus 5.5 performs more strongly.74% similarUnverifiedAnthropic officially recommends setting the default effort value for Opus 5.5 to medium, as medium hit the sweet spot between performance and speed in official testing.73% similar
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