EpiBench (Research Workflows) - Non-Final-Turn Accuracy: leaderboard

Metric: Accuracy (%) over all non-final turns of the 102 EpiBench episodes (39 easy, 63 hard), each a multi-turn research workflow in which the agent searches papers, extracts figures and tables with tools and answers objective questions, the final turn from stored evidence only; answers judged by GPT-5.2; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 8 models tracked.

Top models

#ModelScore
1GPT-5.287.63
2Kimi K2.581.91
3GPT-5 Mini77.02
4Gemini 2.5 Pro61.88
5Qwen 3 VL 235B A22B Instruct55.17
6Grok 4.153.85
7Qwen 3 VL 235B A22B (Thinking)51.9
8GLM-4.5V31.59

Interactive version: theaggregate.ai/benchmark?slug=epibench-research-workflows-non-final-turn-accuracy · How It Works · Data refreshed daily, snapshot 2026-10-07.