deepseek-v4.1VIDEO

DeepSeek V4.1 Flash scores 81.9 on BuildingBench 3D reconstruction

Hands-on 3D building reconstruction test: 81.9 overall (up from 72.9), slightly above Fable 5.1's 81.4 and near Sonnet 5.5's 82.1, at about $3.01 median per task — roughly 1/11 and 1/15 of their cost.

Enactra AI

@EnactraAIArchived 10 days agoOriginally posted 2026.10.18

Enactra AI @EnactraAIOriginally posted 2026.10.18

Open original on X

Wow🙀🙀 DeepSeek V4.1 Flash 1017 joins BuildingBench’s top five—an exciting leap for open models!! 🔥 We tested its 3D building reconstruction from real photos. An open model delivering this level of spatial reasoning at this cost is exciting to see! 👀 🎈 81.9 overall, up from 72.9 for the previous version. A 9-point jump! 🎈 Slightly higher than Fable 5.1’s 81.4, and essentially level with Sonnet 5.5’s 82.1. 🎈 Estimated median cost: $3.01/task. About 1/11 of Fable 5.1’s cost and 1/15 of Sonnet 5.5’s.

x.com/enactraai/status/2111672264920039539Archived 2026.10.18 16:25