Opus 4.7 puts more emphasis on checking its work

Anthropic released Claude Opus 4.7 with claimed improvements in complex software development, instruction following, and verification of generated work. Its visual capabilities support higher-resolution inputs, with examples involving interfaces, documents, and presentations.

Context

Noticing a mistaken assumption matters as much as producing more output. Model-led verification can add a useful check, but consequential changes still benefit from independent tests and a clear account of what was examined. A claim that something was checked should be backed by observable results.