Gemini 4 Argon leaps in 3D reconstruction: 81.2 on BuildingBench at ~1/5 cost

Lianhuiq · x · 2026-10-14

Gemini 4 Argon makes a big leap in 3D reconstruction: on BuildingBench, Argon (high) scores 81.2, up from Gemini 3.8 Flash's 54.8, ranking #6 of 30 models. It approaches Fable 5.1 quality at 1/5 the cost and Sonnet 5.5 at 1/7, with an estimated median cost of $6.52 per building and a 94.1 appearance score (third-highest). Best reconstruction: Royal Exhibition Building at 92.1. It doesn't move the Pareto frontier yet — GPT-6.1 Sol still scores higher at lower cost.

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