StatABench - Contingency Table Test: leaderboard

StatABench (2026) tests LLM statistical analysis with tool use: Stat-Closed questions (multiple choice, fill in the blank, decision making and dataset-based practical application) are answered with a toolkit of statistical functions through LangChain MCP. This board is accuracy in percent on the 20 contingency table test questions; higher is better.

Metric: Accuracy (%) on the 20 contingency table test questions of Stat-Closed; Stat-Closed questions (multiple choice, fill in the blank, decision making, practical application with datasets) answered with the SAToolKit statistical functions through the LangChain MCP baseline tool-use setting, temperature 0; direct matching for closed answers and an LLM judge for open-form answers; higher is better. Source: arxiv.org. Saturation forecast: Around February 2027. 9 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 4.580#250
2DeepSeek V370#716
3GPT-5.165#229
4Qwen 2.5 72B Instruct40#1092
5Qwen 2.5 7B Instruct25#2564
6Qwen 2.5 32B Instruct15#1215
7Qwen 3 8B (Non-reasoning)10#1830 (Qwen 3 8B)
8Llama 3.1 8B Instruct5#4246
9GPT-4o Mini0#1623

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

Interactive version: theaggregate.ai/benchmark?slug=statabench-contingency-table-test · How It Works · Data refreshed daily, snapshot 2026-11-13.