ProLLM - Summarization: leaderboard

ProLLM benchmark evaluating LLMs on text summarization quality for business documents.

Metric: Score (%). Source: www.prollm.ai. Saturation forecast: Estimated already saturated. 59 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 Mini98.8#186
2GPT-598.5#98
3GPT-OSS-120B98.2#341
4Grok 495.9#181
5Kimi K295.9#243
6GPT-5 Nano93.3#425
7Command A91.2#508
8GPT-OSS-20B83.1#518
9GPT-4.178#248
10DeepSeek V377.3#321
11Grok 376.5#304
12GPT-4.1 Mini76.4#355
13GPT-4.576.4#274
14Gemma 3 27B (IT)75.2#523
15DeepSeek R175#251

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

Interactive version: theaggregate.ai/benchmark?slug=prollm-summarization · How It Works · Data refreshed daily, snapshot 2026-10-20.