DeepSeek V4.1 Flash 1017 nears GPT-6 Astra on BuildingBench

Enactra AI @EnactraAIOriginally posted 2026.10.18

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See DeepSeek’s 3D leap with your own eyes 👀🏗️ DeepSeek V4.1 Flash 1017 🆚 DS V4.1 Flash 🆚 GPT-6 Astra: three buildings, side by side. The new open model improves on 11 of 12 buildings in BuildingBench, jumping from 72.9 → 81.9—closing in on Astra’s 84.3 at less than half the median cost ($3.01 vs $7.05/task). Open models are getting seriously good at building worlds 🔥

This post quotes another post: “DeepSeek V4.1 Flash scores 81.9 on BuildingBench 3D reconstruction”