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JetSpec speeds up LLM inference 9.64x with parallel tree drafting

On Qwen3-8B, JetSpec achieves up to 9.64x speedup on MATH-500 and 4.58x on open-ended chat, while maintaining lossless accuracy. The method trains a causal parallel draft head over fused hidden states, verifying the full tree in one forward pass.

JetSpec speeds up LLM inference 9.64x with parallel tree drafting — AIBriefs