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Humanity's Last Exam

Humanity's Last Exam (HLE)

A 2,500-question exam crowdsourced from subject-matter experts across hundreds of disciplines. Designed to remain unsaturated by frontier models for as long as possible.

Knowledge Text Accuracy Max 100.0% Released Jan 2025
29
Results
29
Models scored
54.0%
Top: Kimi K2.6
32.8%
Median

Best results

Top primary scores; one row per model.

Frontier over time

Each dot is one model result; the line traces the running best score.
Best score over time0.0025.050.075.0100.0Mar 2025Nov 2025Jun 2026

All results

Showing one canonical row per model. Show all configurations
# Model Score Conditions Eval date Source Flags
1 Kimi K2.6 54.0% CoT 20 Apr 2026 Self-reported Primary
2 MiMo V2.5 Pro 48.0% 0-shot · w/ Tools 27 Apr 2026 Self-reported Primary
3 Claude Opus 4.7 46.9% 16 Apr 2026 Self-reported Primary
4 Grok 4 Heavy 44.4% CoT · Pass@1 09 Jul 2025 Self-reported Primary
5 Gemini 3.1 Pro 44.4% CoT 19 Feb 2026 Self-reported Primary
6 Claude Sonnet 5 43.2% standard 30 Jun 2026 Self-reported Primary
7 Muse Spark 42.8% CoT 08 Apr 2026 Self-reported Primary
8 GPT 5.5 41.4% CoT 23 Apr 2026 Self-reported Primary
9 Gemini 3 Deep Think 41.0% CoT 12 Feb 2026 Self-reported Primary
10 Deepseek 3.2 40.8% Pass@1 Paper Primary Verified
11 GLM 5.2 40.5% 0-shot · CoT · standard 16 Jun 2026 Self-reported Primary
12 Gemini 3 Pro 37.5% CoT 18 Nov 2025 Self-reported Primary
13 Gemini 3 Flash (Thinking) 33.7% 17 Dec 2025 Self-reported Primary
14 Claude Sonnet 4.6 33.2% 17 Feb 2026 Self-reported Primary
15 Kimi K2.7 Code 32.8% 0-shot · standard 12 Jun 2026 Third-party Primary Verified
16 GLM-5.1 31.0% 07 Apr 2026 Self-reported Primary
17 DeepSeek 3.2 Speciale 30.6% Pass@1 01 Dec 2025 Paper Primary Verified
18 Grok 4 25.4% 09 Jul 2025 Self-reported Primary
19 GPT 5 (Thinking) 24.8% 07 Aug 2025 Self-reported Primary
20 Qwen 3.6 27B 24.0% 0-shot · standard Self-reported Primary
21 DeepSeek V3.1 Terminus 21.7% 22 Sep 2025 Self-reported Primary
22 Gemini 2.5 Pro (Thinking) 21.6% 17 Dec 2025 Self-reported Primary
23 o3 20.3% 16 Apr 2025 Self-reported Primary
24 Gemini 2.5 Pro 18.8% CoT 25 Mar 2025 Self-reported Primary
25 GLM 4.6 17.2% 30 Sep 2025 Self-reported Primary
26 Gemini 2.5 Flash (Thinking) 11.0% 17 Dec 2025 Self-reported Primary
27 o1 8.12% 16 Apr 2025 Self-reported Primary
28 GPT 5 6.30% 07 Aug 2025 Self-reported Primary
29 Gemini 2.5 Flash-Lite 5.10% 26 Sep 2025 Self-reported Primary
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