WorldBox sandbox doubles GPT-6 Astra's MazeBench score from 23 to 61 gems

Lianhuiq · x · 2026-10-16

EnactraAI announced WorldBox, an agentic sandbox for spatial reasoning, claiming it roughly doubles GPT-6 Astra's score on MazeBench—from 23 gems to 61. MazeBench, by @patiencecave, is a brutal long-horizon spatial reasoning test of 256 interconnected rooms where even Opus 5.5 burned 2.2B tokens and collected only 13 of 100 gems. WorldBox gives agents a sandbox for managing long-term memory, inferring complex mechanics, and simulating reasoning, with a thread showing the agent tackling progressively harder puzzles.

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