Grok 4.7 jumps to #3 on BuildingBench 3D generation, 66% cheaper than Fable 5.1

ZhitingHu · x · 2026-09-22

Third-party evals show Grok 4.7 (xhigh) scoring 0.783 on BuildingBench, up from 0.696 for 4.6 (+12.5%), leaping from #9 to #3—behind only GPT-6 Astra (0.843) and Fable 5.1 (0.814). Missing walls, inside-out surfaces and blurry textures are largely fixed. Median cost per building: $11.43 vs Astra's $7.11 and Fable's $33.15.

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