DeepSeek V4.1 Flash Matches GPT-5.6 in Catan, Aces Spatial Reasoning Test

User tests show DeepSeek V4.1 Flash tied GPT-5.6 variants across 16 Catan games at 6-7x lower cost, and one-shot passed a Three.js Rubik's cube spatial reasoning challenge.

2026-09-15 ~ 2026-09-15 · 2 related posts

• 16-game Catan benchmark puts DeepSeek V4.1 Flash at GPT-5.6 Terra level at 6-7x lower cost — teortaxesTex · 2026-09-15
• DeepSeek V4.1 Flash aces one-shot Rubik's Cube spatial test; predecessor hit 61% on ARC-2 — teortaxesTex · 2026-09-15