OneMillion-Bench (CN, Web Search) - Expert Score: leaderboard

Metric: Expert score (%): per task, the weighted share of expert-written rubric points earned (rubric weights from -20 to 10, negative rubrics penalizing violations; each task clipped to 0-1), averaged over tasks on the 200-task CN set (Chinese-context tasks; Finance, Law, Healthcare, Industry and Natural Science, 40 tasks each) of OneMillion-Bench's expert-curated professional tasks, each model equipped with web-search tool calling (deep-research agents as they are); rubrics graded by an LLM judge; higher is better. Source: arxiv.org. Saturation forecast: Around July 2027. 19 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.6 (High)64.5#60 (Claude Opus 4.6)
2GPT-5.4 (High)58.7#76 (GPT-5.4)
3Gemini 3 Pro (Preview)54#64
4GPT-5.2 (High)52.6#105 (GPT-5.2)
5GPT-5.3 Codex (High)50.9#68 (GPT-5.3 Codex)
6Doubao-Seed-2-0-Pro-260215 (High)50.5
7DeepSeek V3.2 Speciale44.4#125
8Kimi K2.5 (High)43.7#139 (Kimi K2.5)
9O3 Deep Research41.7#109
10GLM-541.1#137
11Sonar Deep Research40.2#191
12Grok 439.6#169
13MiniMax-M2.136.7#283
14O4 Mini Deep Research36#219
15Step 3.5 Flash35.6#262

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=onemillion-bench-cn-web-search-expert-score · How It Works · Data refreshed daily, snapshot 2026-10-11.