BenchCAD appears again in Anthropic’s Claude Opus 5 System Card, which reports Opus 5 on the Vision2Code subset — 0.366 voxel IoU without tools, 0.821 with — and upstreams two fixes to our reference implementation.

BenchCAD Vision2Code subset scores for GPT-5.6 Sol and four Claude models, with and without tools From Anthropic’s Claude Opus 5 System Card.