StatABench - Bayesian Method: leaderboard

Metric: Accuracy (%) on the 18 bayesian method 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 December 2026. 9 models tracked.

Top models

#ModelScore
1Qwen 2.5 72B Instruct66.7
2GPT-5.166.7
3Qwen 2.5 32B Instruct66.7
4GPT-4o Mini55.6
5Claude Sonnet 4.550
6Qwen 3 8B (Non-reasoning)50
7DeepSeek V344.4
8Llama 3.1 8B Instruct33.3
9Qwen 2.5 7B Instruct27.8

Interactive version: theaggregate.ai/benchmark?slug=statabench-bayesian-method · How It Works · Data refreshed daily, snapshot 2026-09-29.