ResearchQA (Open Paper) - Citation Accuracy: leaderboard

ResearchQA (2026) asks citation-grounded questions about single open-access scientific papers, run here through the Open Paper chat-with-paper harness on a 100-question sample. Citation accuracy is the percent of quoted passages that are verifiable in the paper text; higher is better.

Metric: Citation accuracy (%; share of cited passages that are verifiable substrings of the paper, citation-grounded answers from the Open Paper chat-with-paper harness to a 100-row evenly spaced sample of 6,211 single-paper questions over 494 open-access papers, citations checked by a normalizing substring matcher against the extracted paper text; higher is better). Source: arxiv.org. Saturation forecast: Estimated already saturated. 8 models tracked.

Top models

#ModelScoreOverall rank
1Claude Haiku 4.584.5#568
2GLM-4.784#366
3Gemini 3 Flash (Preview)83.5#144
4GPT-5.483.4#123
5Gemini 3.1 Pro (Preview)81.7#94
6Claude Opus 4.780.9#79
7GPT-4.178.6#495
8GPT-OSS-120B70#700

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

Interactive version: theaggregate.ai/benchmark?slug=researchqa-open-paper-citation-accuracy · How It Works · Data refreshed daily, snapshot 2026-11-13.