NOLLI - Cryptarithmetic - English: leaderboard

NOLLI (arXiv 2608.04397v1, Table 2): procedurally generated, uniquely solvable English-Korean logic puzzles for 15 models, accuracy pooled over three difficulty tiers calibrated on a reference model. Solving cryptarithmetic additions over letters and reporting a word's value; percent, higher is better.

Metric: Accuracy (%). Source: arxiv.org. Saturation forecast: Estimated already saturated. 15 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.5 (Medium)96#33 (GPT-5.5)
2Claude Opus 4.8 (Medium)89.7#39 (Claude Opus 4.8)
3Gemini 3.1 Pro (Preview) (Medium)82#64 (Gemini 3.1 Pro (Preview))
4Qwen 3.5 397B A17B (Non-reasoning)59.7#154 (Qwen 3.5 397B A17B)
5DeepSeek V4 Flash52.7#155
6GPT-OSS-120B (Medium)48.3#346 (GPT-OSS-120B)
7Gemma 4 31B (IT) (Thinking)42#178 (Gemma 4 31B (IT))
8Qwen 3.5 27B39.3#192
9EXAONE 4.0 32B (Thinking)33.3#615 (EXAONE 4.0 32B)
10Qwen 3.5 9B (Non-reasoning)32#391 (Qwen 3.5 9B)
11Llama 4 Maverick5.7#486
12Solar Open 100B3.3#415
13Llama 3.1 8B Instruct1.3#1017

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=nolli-cryptarithmetic-english · How It Works · Data refreshed daily, snapshot 2026-11-05.