Adding spatial memory boosts Opus 5.5's Minecraft agent progress by 133%
ZhitingHu · x · 2026-10-09
Enactra introduced WorldBox, a sandbox layer that gives Minecraft agents spatial memory: where they've explored, where resources are, and what they can return to.
With memory enabled, Opus 5.5's progress jumped +133% and GPT-6 Astra +50%. A demo shows Opus using that memory to craft a diamond pickaxe, with side-by-side races with and without WorldBox in the thread.
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