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Checked fact 320230 Oct 2026Research

In the paper's algorithm a cheaper approximation model autoregressively proposes gamma guess tokens, and the target model scores the prefix and all guesses in one parallel pass, producing gamma+1 distributions.

The exact words it rests on

Sample γ guesses x1,...,xγ from Mq autoregressively. ... Run Mp in parallel. p1(x), ..., pγ+1(x) <- Mp(prefix), ..., Mp(prefix + [x1, ..., xγ])

What the source said when we opened it, on 30 Oct 2026.

The source

Fast Inference from Transformers via Speculative Decoding
arXiv (Leviathan, Kalman, Matias) · 2022-11-30

Checked

Checked by the notis newsroom on , against the source above.

In the story

How speculative decoding lets a small model draft and a large one check 30 Oct 2026

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