Encoders and decoders are the same thing, and decoders have been doing classification for years

HanchungLee · x · 2026-09-18

A lighthearted take on the encoder-vs-decoder debate: the author points out that decoders and encoders are fundamentally the same architecture, and people have been using decoders for classification and embeddings for years. The viral twist: after encoder fans complained about decoders being used for classification, they retaliated by experimenting with encoders for generation.

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