Astra opens with a 350-point lead on VoxelBench, where Fable 5 sits behind Opus 5 and Sol
r/singularity·low signal
A 186-upvote r/singularity post shows GPT-6 Astra debuting on VoxelBench with a roughly 350-point margin, and the poster clarifies in the comments that Fable 5 is absent from the chart because it ranks below Opus 5 and Sol on this task. A companion thread compares Astra and Fable 5 voxel outputs directly. VoxelBench and MineBench measure spatial construction, which is a narrow slice, but they are among the few public boards where release-day model differences are visible without reading a score table.