Opus 5.5 builds a chess-playing fruit fly brain visualization

Vector @VectorxethOriginally posted 2026.10.05

Open original on X

Claude Opus 5.5 built a fly that plays chess against you. Not a cartoon fly. A brain. → 164,587 neurons from a real fruit fly → The board goes in as senses, the move comes out as motor signals → You watch its brain light up as it "thinks" Not long ago, AI struggled to write a working chess game. Now it simulates an insect brain and makes it play. Would you play against it? 👇

This post quotes another post: x.com/vectorxeth/status/2104911468936257981