MazeBench is a 3D benchmark where today’s best agents still fail the first levels

JasonBotterill · x · 2026-07-28

MazeBench is a new 3D open-world benchmark for testing long-horizon planning and visual-spatial reasoning.

The environment contains hundreds of rooms and puzzles, and the post claims that today’s best agents still cannot get past the initial levels. That makes it a stress test for agents that look competent on short tasks but fail once planning and memory requirements stretch out.

Related event: MazeBench Released: 3D Maze Benchmark Exposes Agent Limitations(9 posts)→

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