TensorFlow Playground makes overfitting and model capacity visible as you tweak layers live

techNmak · x · 2026-09-04

A recommendation of TensorFlow Playground: change the dataset, layers, neurons, activation, learning rate and regularization, then watch the decision boundary evolve as the network trains — making underfitting, overfitting and model capacity visible.

Also featured: Jay Alammar's The Illustrated Transformer, still one of the cleanest Transformer explanations, covering embeddings, Q/K/V, multi-head attention and autoregressive generation.

Related event: A Curated Thread of Visual and Interactive Resources for Learning AI(13 posts)→

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