LongCoT - Computer Science: leaderboard

Metric: Accuracy (%) on the medium and hard computer science problems of LongCoT (main set; long-horizon chain-of-thought problems with short inputs, verifiable answers and 10K to 100K+ token reasoning), single-shot, highest available reasoning setting up to the provider output limit, no tools; higher is better. Source: arxiv.org. Saturation forecast: Around 2029. 7 models tracked.

Top models

#ModelScore
1GPT-5.2 (xHigh)9.7
2Gemini 3 Pro3
3Grok 4.1 Fast (Reasoning)2.6
4Claude Sonnet 4.5 (Thinking)1.4
5DeepSeek V3.2 (Thinking)1.1
6Kimi K2 (Thinking)0.4
7GLM-4.70.2

Interactive version: theaggregate.ai/benchmark?slug=longcot-computer-science · How It Works · Data refreshed daily, snapshot 2026-10-07.