Jay Alammar's Illustrated Transformer remains the cleanest visual explanation of the architecture

techNmak · x · 2026-09-04

A recommendation of Jay Alammar's The Illustrated Transformer: still one of the cleanest explanations of the Transformer — embeddings, Q/K/V, multi-head attention and autoregressive generation become far easier once you can see the information flow.

Also featured: 3Blue1Brown, one of the best sources for mathematical intuition in AI, explaining linear algebra, neural networks, gradient descent, backpropagation, attention and Transformers geometrically rather than as notation to memorize.

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