Transformer Explainer
See how a GPT style transformer predicts the next word, live.
Quick read
An interactive visualization that explains how Transformer models (like GPT-2) operate and process text. Someone would visit to see step-by-step descriptions and visualizations of tokenization, embeddings, self-attention, and Transformer blocks to learn how LLMs predict next tokens.
- Visualize tokenization and token IDs
- Explore embeddings and positional encodings
- Step through multi-head self-attention computations
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Transformer Explainer was shared on NexURLs by skilo on October 15, 2026, in Tech & AI.
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