Harbor Adapters - SpreadsheetBench (Terminus-2): leaderboard

Metric: Pass rate (%; 200 tasks, mean of 3 trials). Source: arxiv.org. Saturation forecast: Around December 2026. 8 models tracked.

Top models

#ModelScore
1Claude Opus 4.683.2
2Claude Sonnet 4.680.3
3Gemini 3.1 Pro (Preview)79.5
4Gemini 3 Flash (Preview)75.5
5GPT-5.4 (Medium)64.3
6Claude Haiku 4.556
7GPT-5 Mini45.2
8GPT-5 Nano26.3

Interactive version: theaggregate.ai/benchmark?slug=harbor-adapters-spreadsheetbench-terminus-2 · How It Works · Data refreshed daily, snapshot 2026-09-25.