Not AI: Count Every Prime
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A zero-GPU sieve Space that doubles as the reference layout.
NOT AI
Six Spaces. Zero weights. All arithmetic.
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Not AI: Search Without a Vector
🔎BM25 retrieval with a visible index and query trace.
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Not AI: The Next Word
🎲A word n-gram generator with a visible transition table.
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Not AI: Best Rank-k Image
🖼Low-rank image compression with the SVD and a residual.
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Not AI: Connect Four
🔴Alpha-beta Connect Four with zero learned weights.
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Not AI: Shortest Route
🗺A* navigation with a Dijkstra optimality baseline.