Pencil Puzzle Bench - Shikaku: leaderboard
Models partition Shikaku grids into rectangles, with each numbered clue inside a rectangle of exactly that area. Direct-ask exact success fraction for 15fixed golden-300 puzzles of this type; archived DirectAskStrategy_05aaaac9, latest record per source model and puzzle. No agentic or revised strategy cohort mixed.
Metric: Direct-ask Success Rate (%). Source: ppbench.com. Saturation forecast: Around January 2027. 51 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5.2 (xHigh) | 80 | #110 (GPT-5.2) |
| 2 | GPT-5.2 (High) | 66.67 | #110 (GPT-5.2) |
| 3 | Gemini 3.1 Pro (Preview) | 53.33 | #58 |
| 4 | Claude Opus 4.6 (Thinking) | 46.67 | #63 (Claude Opus 4.6) |
| 5 | GPT-5.2 (Medium) | 33.33 | #110 (GPT-5.2) |
| 6 | GPT-5 (Medium) | 20 | #98 (GPT-5) |
| 7 | GPT-5.1 (Medium) | 20 | #135 (GPT-5.1) |
| 8 | GPT-5.2 Pro | 20 | #61 |
| 9 | Grok 4.1 Fast (Reasoning) | 13.33 | #217 (Grok 4.1 Fast) |
| 10 | Grok 4.1 Fast | 13.33 | #217 |
| 11 | Claude Sonnet 4.6 (Thinking) | 13.33 | #90 (Claude Sonnet 4.6) |
| 12 | Kimi K2.5 | 6.67 | #144 |
| 13 | Kimi K2 (Thinking) | 6.67 | #243 (Kimi K2) |
| 14 | Claude Opus 4.5 (Thinking) | 6.67 | #83 (Claude Opus 4.5) |
| 15 | DeepSeek V3.2 Speciale | 6.67 | #128 |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=pencil-puzzle-bench-shikaku · How It Works · Data refreshed daily, snapshot 2026-10-20.