An exceptionally difficult multidisciplinary benchmark with questions at graduate level and beyond.
Browse the latest scores, model modes, release dates, and parameter sizes for HLE.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
1 parallel-mode results hidden
| Rank | Model | License | |||
|---|---|---|---|---|---|
 Claude Mythos Preview Extended ThinkingTools | 64.70 | 2026-04-07 | Unknown | Closed | |
 Muse Spark 1.1 Thinking EnabledTools | 62.10 | 2026-07-09 | Unknown | Closed | |
Claude Fable 5 Deep Thinking Mode | 59.00 | 2026-06-09 | Unknown | Closed | |
4 |  GPT-5.4 Pro Thinking Level · HighTools | 58.70 | 2026-03-05 | Unknown | Closed |
5 | Muse Spark Deep Thinking Mode | 58.00 | 2026-04-08 | Unknown | Closed |
6 | Claude Opus 4.8 Extended ThinkingTools | 57.90 | 2026-05-28 | Unknown | Closed |
7 | Claude Sonnet 5 Thinking Level · Extra HighTools | 57.40 | 2026-06-30 | Unknown | Closed |
8 | GPT-5.5 Pro Thinking Level · Extra HighTools | 57.20 | 2026-04-23 | Unknown | Closed |
9 | Claude Mythos Preview Extended Thinking | 56.80 | 2026-04-07 | Unknown | Closed |
10 |  Kimi K3 Thinking Level · MaxTools | 56.00 | 2026-07-16 | 2800B | Free Commercial |
11 | Opus 4.7 Extended ThinkingTools | 54.70 | 2026-04-16 | Unknown | Closed |
12 |  GLM-5.2 Thinking EnabledTools | 54.70 | 2026-06-13 | 753.3B | Free Commercial |
13 | Kimi K2.6 Thinking EnabledToolsInternet | 54.00 | 2026-04-20 | 1000B | Free Commercial |
14 |  Qwen3.7-Max-Preview Thinking EnabledTools | 53.50 | 2026-05-20 | Unknown | Closed |
15 |  Hy3 Thinking Level · HighTools | 53.20 | 2026-07-06 | 295B | Free Commercial |
16 | Claude Opus 4.6 Extended ThinkingToolsInternet | 53.00 | 2026-02-05 | Unknown | Closed |
17 | GLM 5.1 Thinking EnabledTools | 52.30 | 2026-03-27 | 75.4B | Free Commercial |
18 | GPT-5.5 Thinking Level · HighTools | 52.20 | 2026-04-23 | Unknown | Closed |
19 | GPT-5.4 Thinking Level · Extra HighTools | 52.10 | 2026-03-05 | Unknown | Closed |
20 |  Gemini 3.1 Pro Preview Thinking Level · HighTools | 51.40 | 2026-02-20 | Unknown | Closed |
21 | Qwen 3.6 Plus Preview Thinking EnabledTools | 50.60 | 2026-03-31 | Unknown | Closed |
22 | GLM-5 Thinking EnabledTools | 50.40 | 2026-02-11 | 744B | Free Commercial |
23 | Muse Spark Thinking EnabledTools | 50.40 | 2026-04-08 | Unknown | Closed |
24 | Kimi K2.5 Thinking EnabledTools | 50.20 | 2026-01-27 | 1000B | Free Commercial |
25 | Qwen3.6-Max-Preview Thinking EnabledTools | 50.20 | 2026-04-18 | Unknown | Closed |
26 | GPT-5.2 Pro Thinking EnabledTools | 50.00 | 2025-12-11 | Unknown | Closed |
27 | Qwen3-Max-Thinking Thinking EnabledTools | 49.80 | 2026-01-26 | 1000B | Closed |
28 | Claude Opus 4.8 Extended Thinking | 49.80 | 2026-05-28 | Unknown | Closed |
29 | Claude Sonnet 4.6 Thinking EnabledTools | 49.00 | 2026-02-17 | Unknown | Closed |
