Humanity's Last Exam math Humanity's Last Exam (HLE) is a multi-modal academic benchmark with 2,500 questions across mathematics, humanities, and natural sciences, designed to test LLM capabilities at the frontier of human knowledge with unambiguous, verifiable solutions Leaderboard Showing 20 of 82 results Show all Export CSV Graph Rank Best All efforts Claude Mythos Preview 64.7% iClaude Fable 5 64.5% iMuse Spark 58.4% iClaude Opus 4.8 57.9% iGPT-5.5 Pro 57.2% iClaude Opus 4.7 54.7% iClaude Opus 4.6 53.1% iGLM-5.1 52.3% iGPT-5.5 52.2% iGemini 3.1 Pro 51.4% iKimi K2-Thinking-0905 51.0% iGrok-4 Heavy 50.7% iKimi K2.5 50.2% iClaude Sonnet 4.6 49.0% iQwen3.5-27B 48.5% iDeepSeek-V4-Pro-Max 48.2% iQwen3.5-122B-A10B 47.5% iQwen3.5-35B-A3B 47.4% iGemini 3 Pro 45.8% iDeepSeek-V4-Flash-Max 45.1% i