Pencil Puzzle Bench - Hitori — leaderboard

Metric: Direct-ask Success Rate (%). Source: ppbench.com. 51 models tracked.

Top models

#ModelScore
1Claude Opus 4.6 (Thinking)66.7
2Gemini 3.1 Pro (Preview)40
3Claude Opus 4.5 (Thinking)40
4GPT-5.2 (xHigh)33.3
5Claude Sonnet 4.6 (Thinking)33.3
6Grok 4.1 Fast26.7
7GPT-5.2 Pro26.7
8DeepSeek V3.220
9Gemini 3 Pro20
10GPT-5.2 (High)20
11GPT-5.1 (Medium)20
12Claude Sonnet 4.5 (Thinking)13.3
13Grok 4.1 Fast (Reasoning)13.3
14Kimi K2.513.3
15O313.3

Interactive version: theaggregate.ai/benchmark?slug=pencil-puzzle-bench-hitori · How the rankings work · Data refreshed daily, snapshot 2026-07-22.