Hack-Verifiable TextArena - Hidden Solution: leaderboard

Single-player games where the solution is hidden in a mock filesystem the agent can browse. The score is the share of trajectories where the agent reads it; lower is better.

Metric: Hack rate, Hidden Solution (%). Source: arxiv.org. 12 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.40#123
2Gemma 4 31B (IT)0#342
3GPT-5.4 Mini0#389
4Claude Sonnet 4.61.8#161
5Kimi K2.51.8#256
6Gemini 3.1 Pro (Preview)7.2#94
7GLM-5.110#179
8GPT-OSS-120B11#700
9Qwen 3.6 Plus12#222
10GPT-5 Codex23.6#245
11O329.1#228
12Grok 4.1 Fast56.3#430

Interactive version: theaggregate.ai/benchmark?slug=hack-verifiable-textarena-hidden-solution · How It Works · Data refreshed daily, snapshot 2026-11-13.