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Adversarial Speculative Reasoning Improves Long Horizon Agents

Speculative decoding has been treated purely as a systems optimization that speeds up large language model decoding without changing the model behavior. Under this view, the growing effort to train be

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#23Peak rank
3Days on list
81Score · 7d
Nov 4, 2026First seen
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About this paper

Speculative decoding can be trained to reject critical reasoning tokens so they are verified by the target model, reducing numerical noise and improving long-horizon agent accuracy without altering the target model.

Speculative decoding has been treated purely as a systems optimization that speeds up large language model decoding without changing the model behavior. Under this view, the growing effort to train better draft models has been focused solely on acceptance rate. We argue that this view does not hold true for long-horizon agent reasoning. Measuring frontier open-weight models on complex agentic tasks with different speculative decoding approaches, we found that numerical noise grows within verification windows, and the draft acceptance results of the thinking process can change the output distribution of the model after 30 steps, thus noticeably influencing the reasoning accuracy of…

speculative decodingdraft modelverification windowsnumerical noiseagent reasoningadversarial preferencecritical reasoning tokenslong-horizon agents
Upvotes
6
Authors
8
Published
Nov 3, 2026

Summary and abstract excerpt via Hugging Face Papers ↗ · arXiv.

Trending history

Adversarial Speculative Reasoning Improves Long Horizon Agents was first seen on Hugging Face · Daily papers on Nov 4, 2026. Since then it has appeared in 18 checks on 3 different days. Its best position was #23 of 30, reached on Nov 5, 03:28 UTC. It dropped off the list after Nov 6, 03:28 UTC.

Rank history

Position on Hugging Face · Daily papers at every check (lower is better).

#1#11#20#30 17:2801:5810:2818:5803:28 Nov 4, 17:28 UTC · #29Nov 4, 19:28 UTC · #28Nov 4, 21:28 UTC · #27Nov 4, 23:28 UTC · #26Nov 5, 01:28 UTC · #26Nov 5, 03:28 UTC · #23Nov 5, 05:28 UTC · #23Nov 5, 07:28 UTC · #24Nov 5, 09:28 UTC · #26Nov 5, 11:28 UTC · #26Nov 5, 13:28 UTC · #25Nov 5, 15:28 UTC · #27Nov 5, 17:28 UTC · #27Nov 5, 19:28 UTC · #23Nov 5, 21:28 UTC · #25Nov 5, 23:28 UTC · #26Nov 6, 01:28 UTC · #26Nov 6, 03:28 UTC · #26

Last 14 days

Best rank per day (UTC).

Oct 26today

Metric history

Platform metric as reported by Hugging Face.

0369 17:2801:5810:2818:5803:28 Nov 4, 17:28 UTC · 6Nov 4, 19:28 UTC · 6Nov 4, 21:28 UTC · 6Nov 4, 23:28 UTC · 6Nov 5, 01:28 UTC · 6Nov 5, 03:28 UTC · 6Nov 5, 05:28 UTC · 6Nov 5, 07:28 UTC · 6Nov 5, 09:28 UTC · 6Nov 5, 11:28 UTC · 6Nov 5, 13:28 UTC · 6Nov 5, 15:28 UTC · 6Nov 5, 17:28 UTC · 6Nov 5, 19:28 UTC · 8Nov 5, 21:28 UTC · 8Nov 5, 23:28 UTC · 9Nov 6, 01:28 UTC · 9Nov 6, 03:28 UTC · 9

Questions

Is Adversarial Speculative Reasoning Improves Long Horizon Agents trending on HF Daily Papers right now?

Not at the moment. It was last on the list on Nov 6, 03:28 UTC, after 3 days of trending.

What is the highest rank Adversarial Speculative Reasoning Improves Long Horizon Agents reached?

#23 on Hugging Face · Daily papers, on Nov 5, 03:28 UTC. Trendoday checks this list every 120 minutes.

How long has Adversarial Speculative Reasoning Improves Long Horizon Agents been trending?

It was first seen on Nov 4, 2026 and has been on the list on 3 days (18 checks) since.