ResearchResearch paperAgents & Tool Use · Evaluation & Benchmarks2 sources · Oct 17, 2026

HSPR: Recovering Software-Agent Benchmark Scores via Hierarchical Posterior Inference

We introduce Hierarchical Score Posterior Recovery (HSPR), which combines source-fitted response factors with uncertain group success rates.

Key points

  • Evaluating software agents on a full benchmark is expensive.
  • A small task subset can preserve agent rankings while yielding inaccurate scores.
  • Observed target outcomes update the posteriors over the target latent state and group rates; posterior-guided acquisition selects subsequent tasks.
  • Observed successes and posterior-predictive counts for unqueried tasks yield a full-score posterior.

Sources (2)

Extractive summary: sentences quoted from the sources.

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