InfraBench - Attempt Pass@1: leaderboard

InfraBench (arXiv 2608.11234v2, Table 3): share of the 36 attempts (12 infrastructure tasks x 3) in which an agent CLI plus pinned model configuration earns a perfect difficulty-weighted verifier score, at vendor-default CLI settings. Percent; higher is better. An attempt rate, not a sampled pass@k estimate.

Metric: Attempts with a perfect score (%). Source: arxiv.org. Saturation forecast: Around February 2027. 18 models tracked.

Top models

#ModelScoreOverall rank
1Claude Fable 577.8#20
2Grok 4.575#54
3Claude Opus 572.2#16
4Gemini 3.6 Flash66.7#57
5Claude Opus 4.863.9#39
6Gemini 3.5 Flash63.9#66
7Claude Sonnet 563.9#65
8Composer 2.558.3#130
9Gemini 3.1 Pro (Preview)52.8#64
10DeepSeek V4 Flash47.2#155
11MiMo-V2.538.9#196
12Claude Sonnet 4.636.1#94
13DeepSeek V4 Pro36.1#112
14Gemini 3.1 Flash Lite33.3#200

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

Interactive version: theaggregate.ai/benchmark?slug=infrabench-attempt-pass-1 · How It Works · Data refreshed daily, snapshot 2026-11-05.