AnalysisAI ModelsOctober 20, 2026

Explainer: why speculative decoding speeds up LLM inference

Read original source →jbarrow.ai

Speculative decoding is faster despite executing more total FLOPs, not fewer — a small draft model proposes tokens that the large model verifies in one parallel forward pass. The gain comes from shifting the GPU from memory-bound single-token decoding to compute-bound batched work.

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