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Flysim Foraging World

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Flysim is a simulation where a fruit-fly navigates a foraging world, seeking sugar and evading a predator, with the ability to swap decision-makers.

flysim is a foraging world where a fruit-fly has to find sugar and dodge a predator, and you swap out who makes the decisions. I put two decision layers in it and ran them at the same time. Same world, same body, same predator — concurrent, not lockstep. Jev by @typesafeai lived 30 ticks in 13.2 seconds for $0.000834. gpt-6-astra took 101.9 seconds and $0.121280. 145x the cost. 7.7x per decision. Astra also finished on less energy, 71.5 to 88.5. Watch the left half: done at 13 seconds, cost frozen, while the right one is still on tick 4.