Incompressible Knowledge Probes (IKP): leaderboard

Metric: Mean tier accuracy (%). Source: 01.me. 133 models tracked.

Top models

#ModelScore
1Gemini 3 Flash (Preview) (Medium)86.19
2Gemini 3.1 Pro (Preview)85.6
3Gemini 3 Flash (Preview)85.06
4GPT-5.582.56
5GPT-5.5 (Medium)82.56
6Claude Fable 580.49
7Gemini 2.5 Pro (Preview)79.48
8Gemini 2.5 Pro (Medium)78.87
9GPT-5.4 Pro (xHigh)77.84
10GPT-4.177.18
11GPT-5 Pro76.98
12O376.91
13Gemini 3.1 Flash Lite (Preview)76.8
14GPT-5 (Medium)76.52
15GPT-575.82

Interactive version: theaggregate.ai/benchmark?slug=incompressible-knowledge-probes-ikp · How It Works · Data refreshed daily, snapshot 2026-09-19.