HLE-Diamond (With Tools): leaderboard

HLE-Diamond's 1,000 questions answered with web search and code execution at reasoning high, under CAIS's recommended tools settings. Compare it with other tool-enabled runs, not the closed-book board.

Metric: Accuracy (%, web + code tools). Source: lastexam.ai. Saturation forecast: Around February 2027. 8 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6 Astra (High)82.9#6 (GPT-6 Astra)
2Claude Opus 5.5 (High)73.9#5 (Claude Opus 5.5)
3Claude Fable 5.1 (High)72.3#14 (Claude Fable 5.1)
4GPT-6.1 Sol (High)69.1#10 (GPT-6.1 Sol)
5Claude Opus 5 (High)68.9#20 (Claude Opus 5)
6GPT-6 Sol (High)65#24 (GPT-6 Sol)
7GPT-5.6 Sol (High)56.6#29 (GPT-5.6 Sol)
8Muse Spark 1.3 (High)55.4#42 (Muse Spark 1.3)

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon.

Interactive version: theaggregate.ai/benchmark?slug=hle-diamond-with-tools · How It Works · Data refreshed daily, snapshot 2026-11-12.