ZeroBench: leaderboard

ZeroBench holds 100 hand made visual reasoning questions, each needing several reasoning steps over one or more images, plus 334 easier subquestions covering single steps. Models give the final answer in curly braces, matched exactly against the key. This board is the official leaderboard's pass@5, the share of main questions solved in at least one of five samples run by the ZeroBench team, higher is better.

Metric: Score (%). Source: zerobench.github.io. Saturation forecast: Around July 2028. 74 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6 Astra (Max)52#6 (GPT-6 Astra)
2Claude Opus 5.5 (Max)43#3 (Claude Opus 5.5)
3GPT-6 Sol (Max)41#14 (GPT-6 Sol)
4GPT-5.6 Sol (Max)30#19 (GPT-5.6 Sol)
5Claude Opus 5 (Max)26#12 (Claude Opus 5)
6Claude Fable 5 (Max)24#16 (Claude Fable 5)
7GPT-5.5 (xHigh)23#31 (GPT-5.5)
8GPT-5.4 (xHigh)23#79 (GPT-5.4)
9Gemini 3.5 Flash22#60
10GPT-5.6 Luna (Max)21#68 (GPT-5.6 Luna)
11Gemini 3 Pro20#80
12GPT-6 Luna (Max)20#56 (GPT-6 Luna)
13Gemini 3.1 Pro (Preview)19#58
14GPT-5.6 Terra (Max)19#41 (GPT-5.6 Terra)
15Claude Opus 4.818#37

No result here: #7 GPT-6.1 Sol, #8 Gemini 4 Argon, #9 Claude Fable 5.1.

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