LongCoT-mini - Chess: leaderboard
Metric: Accuracy (%) on the easy chess problems of LongCoT-mini (long-horizon chain-of-thought problems with short inputs and verifiable answers), single-shot, highest available reasoning setting up to the provider output limit, no tools; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.2 (xHigh) | 36.7 |
| 2 | Gemini 3 Pro | 16 |
| 3 | Claude Sonnet 4.5 (Thinking) | 6.7 |
| 4 | Kimi K2 (Thinking) | 4 |
| 5 | GLM-4.7 | 2.7 |
| 6 | Grok 4.1 Fast (Reasoning) | 2 |
| 7 | DeepSeek V3.2 (Thinking) | 1.3 |
Interactive version: theaggregate.ai/benchmark?slug=longcot-mini-chess · How It Works · Data refreshed daily, snapshot 2026-10-07.