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HFEPX · Eval paper review

Prompt Sensitivity in Tool-Augmented Model Comparisons

Mateusz Modrzejewski, Tomasz Radzikowski

Published

Oct 22, 2026

Citations

0

Trust level

Moderate

Usefulness score

65/100 (Medium)

Extraction confidence

70% (Moderate)

Derived from extracted protocol signals and abstract evidence.

Rater population

Not reported

Signals refreshed

Oct 22, 2026

Should you rely on this paper?

This paper has useful evaluation signal, but protocol completeness is partial; pair it with related papers before deciding implementation strategy.

Use this for comparison and orientation, not as your only source.

Best use

Secondary protocol comparison source

Use if you need

A secondary eval reference to pair with stronger protocol papers.

What to verify

Validate the evaluation procedure and quality controls in the full paper before operational use.

Main weakness

No major weakness surfaced.

Human feedback signal
Detected
From extracted signals
Evaluation signal
Detected
Eval setup described
Usefulness for eval research
65/100
Moderate-confidence candidate

Useful as a secondary reference; validate protocol details against neighboring papers.

Abstract

Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher. We ask whether giving the models tools makes such comparisons more stable. An accuracy gain cannot answer this, because tools change several steps between the question and the scored answer at once. We propose a matched protocol that separates those steps: the answer readout, reasoning, the decision to call, the tool's answer, and the report supplied without a call. We apply it to six open models in five domains under five wordings. We find that tools raise accuracy where a program answers the question and widen the wording sensitivity of many pairwise comparisons. The widening follows how often a model calls, and call frequency follows the wording for some models and not others. It also depends on the interface and the instructions: a native tool-calling interface and a second tool description leave no detected widening in molecules, and sensitivity persists where tools return intermediate results. These findings show that deterministic reports do not guarantee stable comparisons. We recommend reporting call frequency and comparison stability under several wordings beside accuracy.

What we could verify

These are the protocol signals we could actually recover from the available paper metadata. Use them to decide whether this paper is worth deeper reading.

Human Feedback Types

strong

Pairwise Preference

Directly usable for protocol triage.

"Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher."

Evaluation Modes

strong

Automatic Metrics

Includes extracted eval setup.

"Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher."

Quality Controls

missing

Not reported

No explicit QC controls found.

"Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher."

Benchmarks / Datasets

missing

Not extracted

No benchmark anchors detected.

"Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher."

Reported Metrics

strong

Accuracy

Useful for evaluation criteria comparison.

"An accuracy gain cannot answer this, because tools change several steps between the question and the scored answer at once."

Benchmarks and datasets

No benchmark or dataset names were extracted from the available abstract.

Reported metrics

accuracy
Human feedback details
Uses human feedback
Yes
Feedback types
Pairwise Preference
Rater population
Not reported
Unit of annotation
Pairwise
Expertise required
General
Evaluation details
Evaluation modes
Automatic Metrics
Agentic eval
None
Quality controls
Not reported
Evidence quality
Moderate
Use this page as
Secondary protocol comparison source

Research brief

Metadata summary

Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher.

Based on abstract + metadata only. Check the source paper before making high-confidence protocol decisions.

Key takeaways

  • Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher.
  • We ask whether giving the models tools makes such comparisons more stable.
  • An accuracy gain cannot answer this, because tools change several steps between the question and the scored answer at once.

Researcher actions

  • Compare this paper against nearby papers in the same arXiv category before using it for protocol decisions.
  • Validate inferred eval signals (Automatic metrics) against the full paper.
  • Use related-paper links to find stronger protocol-specific references.

Caveats

  • Generated from abstract + metadata only; no PDF parsing.
  • Signals below are heuristic and may miss details reported outside the abstract.

Contribution summary

  • Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher.
  • An accuracy gain cannot answer this, because tools change several steps between the question and the scored answer at once.
  • We propose a matched protocol that separates those steps: the answer readout, reasoning, the decision to call, the tool's answer, and the report supplied without a call.

Why it matters for eval

  • Language models are compared on question-answering benchmarks that pose each question in one wording, and a reworded question can change which of two models scores higher.

Researcher checklist

  • Human feedback protocol is explicit

    Detected: Pairwise Preference

  • Evaluation mode is explicit

    Detected: Automatic Metrics

  • Quality control reporting appears

    No calibration/adjudication/IAA control explicitly detected.

  • Benchmark or dataset anchors are present

    No benchmark/dataset anchor extracted from abstract.

  • Metric reporting is present

    Detected: accuracy