BlueFin - Interrogation: leaderboard

The 36 held-out interrogation tasks of BlueFin (Kundurthy et al., 2026): questions about a financial-model workbook whose answers require tracing multi-step calculation chains through a spreadsheet tool harness. Scored in percent against the reference answers (higher is better).

Metric: Criteria-weighted rubric score (%; points met over maximum points of expert rubrics checked by an agentic GPT-5.4 judge for synthesis and manipulation workbooks, answer correctness for interrogation, non-completions count as zero; 20-tool spreadsheet harness, high reasoning effort; 36 held-out question-answering tasks over a workbook). Source: arxiv.org. Saturation forecast: Around December 2027. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.5 (High)50#48 (GPT-5.5)
2Gemini 3.1 Pro (Preview) (High)44.4#91 (Gemini 3.1 Pro (Preview))
3Claude Opus 4.7 (High)44.4#75 (Claude Opus 4.7)
4Claude Sonnet 4.6 (High)40.3#158 (Claude Sonnet 4.6)
5Grok 4.20 (High)34.7#296 (Grok 4.20)

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=bluefin-interrogation · How It Works · Data refreshed daily, snapshot 2026-11-12.