By far the most serious problem with this release is the silent ML research nerf, which is incredibly unethical and makes me update negatively wrt my expectations of Anthropic leadership behavior a wide range of plausible ethically challenging situations
Having thrown it at hard software engineering problems all day my impression is that a lot of the capabilities initially teased in the Mythos trial balloon have already been distilled into Opus, it’s noticeably better but not eyepoppingly so

