Is AdaSpec superseded?

AdaSpec (Speculative decoding): superseded — cited as a baseline and beaten by newer methods. 1 paper(s) critique it, 0 beat it on benchmarks — #84 of 151 most-superseded. Sub-problem: cluster led by SpecInfer. Newer alternatives in the same sub-problem include SpecKV, component-aware self-speculative decoding, FASER, ConfLayers, Goose.

Method Drift›Speculative decoding

Superseded baseline#84 of 151 most-superseded

AdaSpec

AdaSPEC: Selective Knowledge Distillation for Efficient Speculative Decoders

Speculative decoding · first seen Oct 22, 2025

superseded — cited as a baseline and beaten by newer methods

1 papers critique it · 0 beat it on benchmarks

What papers say

Verbatim critique sentences, each from a paper that cites AdaSpec as a baseline.

“AdaSpec designs dynamic length tuning, but still follows a round-based speculate-then-verify workflow and therefore cannot hide draft latency behind target execution.”
— FASER: Fine-Grained Phase Management for Speculative Decoding in Dynamic LLM Serving

Newer alternatives

Recent methods in the same sub-problem, not yet superseded in the knowledge base.

SpecKV SpecKV: Adaptive Speculative Decoding with Compression-Aware Gamma Selection
May 4, 2026
component-aware self-speculative decoding Component-Aware Self-Speculative Decoding in Hybrid Language Models
May 1, 2026
FASER FASER: Fine-Grained Phase Management for Speculative Decoding in Dynamic LLM Serving
Apr 22, 2026
ConfLayers ConfLayers: Adaptive Confidence-based Layer Skipping for Self-Speculative Decoding
Apr 16, 2026
Goose Goose: Anisotropic Speculation Trees for Training-Free Speculative Decoding
Apr 2, 2026
greedy multi-path block verification (GBV)Greedy Multi-Path Block Verification for Faster Decoding in Speculative Sampling
Feb 18, 2026
SDFP SDFP: Speculative Decoding with FIT-Pruned Models for Training-Free and Plug-and-Play LLM Acceleration
Feb 5, 2026
Pacer PACER: Blockwise Pre-verification for Speculative Decoding with Adaptive Length
Feb 1, 2026
CAS-Spec (Cascade Adaptive Self-Speculative Decoding)CAS-Spec: Cascade Adaptive Self-Speculative Decoding for On-the-Fly Lossless Inference Acceleration of LLMs
Oct 30, 2025
FastVLM FastVLM: Self-Speculative Decoding for Fast Vision-Language Model Inference
Oct 26, 2025
sd.npu Accelerating Mobile Language Model via Speculative Decoding and NPU-Coordinated Execution
Oct 17, 2025
HiSpec HiSpec: Hierarchical Speculative Decoding for LLMs
Oct 1, 2025