… 01 / 21 Evaluating Claude Opus 4.5 We give prospective performance engineering candidates a notoriously difficult take-home exam. We also test new models on this exam as an internal benchmark. Within our prescribed 2-hour time limit, Claude Opus 4.5 scored higher than any human candidate ever 1 . …
… Interested candidates who would like to contribute are welcome to apply at anthropic.com/careers .
… For the first 30 million or so, the model conducted a legitimate search, investigating over a dozen specific candidates across 12 languages on dozens of platforms. …
… We do not expect the LTBT to intervene in these day-to-day decisions or in our ordinary commercial strategy. …
… Developing internal representations that link emotion-triggering contexts to corresponding behaviors is a natural strategy for a system whose job is predicting human-written text note that by the same logic, the model likely forms representations of many other human psychological and physiological … …