Anthropic’s latest Claude Opus 4.7 and Mythos Preview large language models have already posted scores of 30.8% and 64.7% respectively on Humanity’s Last Exam, the 2,500-question multidisciplinary benchmark from Scale AI and the Center for AI Safety. These results, driven by expanded context windows, tool-use integration, and advanced reasoning chains, place Claude ahead of GPT-5 variants and Gemini 3 Pro on the leaderboard as of mid-May 2026. With the June 30 resolution date approaching, traders are watching for any further model updates or evaluation methodology tweaks that could influence final reported performance before the deadline.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$283,400 Vol.
45%+
18%
50%+
9%
55%+
4%
$283,400 Vol.
45%+
18%
50%+
9%
55%+
4%
The resolution source will be the official Humanity’s Last Exam leaderboard https://scale.com/leaderboard/humanitys_last_exam.
Market Opened: Jan 30, 2026, 12:00 AM ET
Resolver
0x65070BE91...The resolution source will be the official Humanity’s Last Exam leaderboard https://scale.com/leaderboard/humanitys_last_exam.
Resolver
0x65070BE91...Anthropic’s latest Claude Opus 4.7 and Mythos Preview large language models have already posted scores of 30.8% and 64.7% respectively on Humanity’s Last Exam, the 2,500-question multidisciplinary benchmark from Scale AI and the Center for AI Safety. These results, driven by expanded context windows, tool-use integration, and advanced reasoning chains, place Claude ahead of GPT-5 variants and Gemini 3 Pro on the leaderboard as of mid-May 2026. With the June 30 resolution date approaching, traders are watching for any further model updates or evaluation methodology tweaks that could influence final reported performance before the deadline.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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