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• Gradient Descent Arena

  Three optimizers — plain SGD, momentum, and Adam — race downhill across the same contour map from the same starting dot, reading…

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  ai hybrid ▶ 11 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Neural Network Playground

  A small neural network — dense layers, hand-written forward pass, hand-written backprop, Adam on mini-batches of 32 — learning to…

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  ai hybrid ▶ 4 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Prompt Battle

  Ask one question and watch two system prompts answer it side by side, streaming into their own columns — same model, same…

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  ai hybrid ▶ 5 ran · ✓ 0 worked byok sloprun seed · 2026-08-14 🔗

• Unbeatable Tic-Tac-Toe

  Before every move the computer plays out every game that could still follow from the board in front of it — 549,946 positions…

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  ai hybrid ▶ 8 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Tokenizer Visualizer

  Language models never see letters — they see tokens, and every bill you get from one is denominated in them. This page runs a…

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  ai hybrid ▶ 6 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

ranking never reads the provenance label · how ranking works