Anthropic Claude Haiku 5.5 (max)57.4% anthropic.com for Claude Haiku 5.5 (max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Archived copy (opens in a new tab) Humanity's Last Exam Accuracy Reported October 7, 2026 System card Anthropic Self-reported Record for Claude Haiku 5.5 on Humanity's Last Exam Full set — With tools 20018 Anthropic Claude Sonnet 5.5 (max)64.5% anthropic.com for Claude Sonnet 5.5 (max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 28, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5.5 on Humanity's Last Exam Full set — With tools 20016 Anthropic Claude Sonnet 5.5 (high)56.7% anthropic.com for Claude Sonnet 5.5 (high) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 28, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5.5 on Humanity's Last Exam Full set — With tools 20016 Anthropic Claude Sonnet 5.5 (medium)50.5% anthropic.com for Claude Sonnet 5.5 (medium) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 28, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5.5 on Humanity's Last Exam Full set — With tools 20016 Anthropic Claude Sonnet 5.5 (xhigh)62.0% anthropic.com for Claude Sonnet 5.5 (xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 28, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5.5 on Humanity's Last Exam Full set — With tools 20016 Anthropic Claude Sonnet 5.5 (low)47.6% anthropic.com for Claude Sonnet 5.5 (low) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 28, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5.5 on Humanity's Last Exam Full set — With tools 20016 Z.ai GLM-5.3-Flash (max)55.3% autoclaw.z.ai for GLM-5.3-Flash (max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 24, 2026 Launch post AutoClaw Team (Z.ai) Self-reported Z.ai Record for GLM-5.3-Flash on Humanity's Last Exam Full set — With tools 150006 Anthropic Claude Opus 5.5 (medium)63.0% www-cdn.anthropic.com for Claude Opus 5.5 (medium) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 22, 2026 System card Anthropic Self-reported Record for Claude Opus 5.5 on Humanity's Last Exam Full set — With tools 20015 Anthropic Claude Opus 5.5 (high)63.9% www-cdn.anthropic.com for Claude Opus 5.5 (high) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 22, 2026 System card Anthropic Self-reported Record for Claude Opus 5.5 on Humanity's Last Exam Full set — With tools 20015 Anthropic Claude Opus 5.5 (xhigh)66.4% www-cdn.anthropic.com for Claude Opus 5.5 (xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 22, 2026 System card Anthropic Self-reported Record for Claude Opus 5.5 on Humanity's Last Exam Full set — With tools 20015 Anthropic Claude Opus 5.5 (adaptive thinking, max; with tools)67.7% anthropic.com for Claude Opus 5.5 (adaptive thinking, max; with tools) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 22, 2026 Launch post Anthropic Self-reported Record for Claude Opus 5.5 on Humanity's Last Exam Full set — With tools 20015 Anthropic Claude Opus 5.5 (low)57.4% www-cdn.anthropic.com for Claude Opus 5.5 (low) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 22, 2026 System card Anthropic Self-reported Record for Claude Opus 5.5 on Humanity's Last Exam Full set — With tools 20015 Anthropic Claude Fable 5.1 (with tools)65.0% anthropic.com for Claude Fable 5.1 (with tools) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported September 1, 2026 Launch post Anthropic Self-reported Record for Claude Fable 5.1 on Humanity's Last Exam Full set — With tools 20004 Alibaba (Tongyi) Qwen3.8-Max 56.2% huggingface.co for Qwen3.8-Max on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported August 2, 2026 Model card Qwen Self-reported Qwen Team Record for Qwen3.8-Max on Humanity's Last Exam Full set — With tools 130008 Anthropic Claude Opus 5 (xhigh)64.8% www-cdn.anthropic.com for Claude Opus 5 (xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported July 24, 2026 System card Anthropic Self-reported Record for Claude Opus 5 on Humanity's Last Exam Full set — With tools 20014 Anthropic Claude Opus 5 (max)64.7% www-cdn.anthropic.com for Claude Opus 5 (max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported July 24, 2026 System card Anthropic Self-reported Record for Claude Opus 5 on Humanity's Last Exam Full set — With tools 20014 Anthropic Claude Opus 5 (low)56.1% www-cdn.anthropic.com for Claude Opus 5 (low) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported July 24, 2026 System card Anthropic Self-reported Record for Claude Opus 5 on Humanity's Last Exam Full set — With tools 20014 Anthropic Claude Opus 5 (high)63.2% www-cdn.anthropic.com for Claude Opus 5 (high) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported July 24, 2026 System card Anthropic Self-reported Record for Claude Opus 5 on Humanity's Last Exam Full set — With tools 20014 Anthropic Claude Opus 5 (medium)61.3% www-cdn.anthropic.com for Claude Opus 5 (medium) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported July 24, 2026 System card Anthropic Self-reported Record for Claude Opus 5 on Humanity's Last Exam Full set — With tools 20014 Moonshot AI Kimi K3 (max)56.0% huggingface.co for Kimi K3 (max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported July 16, 2026 Model card Moonshot AI Self-reported Record for Kimi K3 on Humanity's Last Exam Full set — With tools 120003 Meta AI (originally Facebook AI Research) Muse Spark 1.1 (xhigh)62.1% dev.meta.ai for Muse Spark 1.1 (xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported July 9, 2026 Model page Meta Self-reported Record for Muse Spark 1.1 on Humanity's Last Exam Full set — With tools 80002 Anthropic Claude Sonnet 5 (medium)47.2% www-cdn.anthropic.com for Claude Sonnet 5 (medium) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported June 30, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5 on Humanity's Last Exam Full set — With tools 20013 Anthropic Claude Sonnet 5 (low)36.5% www-cdn.anthropic.com for Claude Sonnet 5 (low) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported June 30, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5 on Humanity's Last Exam Full set — With tools 20013 Anthropic Claude Sonnet 5 (xhigh)54.6% www-cdn.anthropic.com for Claude Sonnet 5 (xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported June 30, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5 on Humanity's Last Exam Full set — With tools 20013 Anthropic Claude Sonnet 5 (high)52.8% www-cdn.anthropic.com for Claude Sonnet 5 (high) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported June 30, 2026 System card Anthropic Self-reported Record for Claude Sonnet 5 on Humanity's Last Exam Full set — With tools 20013 Anthropic Claude Opus 4.8 (adaptive thinking, max)57.9% www-cdn.anthropic.com for Claude Opus 4.8 (adaptive thinking, max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported May 28, 2026 System card Anthropic Self-reported Record for Claude Opus 4.8 on Humanity's Last Exam Full set — With tools 20011 DeepSeek AI DeepSeek-V4-Flash (max)45.1% huggingface.co for DeepSeek-V4-Flash (max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 24, 2026 Model card DeepSeek Self-reported DeepSeek AI Record for DeepSeek-V4-Flash on Humanity's Last Exam Full set — With tools 110001 DeepSeek AI DeepSeek-V4-Pro (max)48.2% huggingface.co for DeepSeek-V4-Pro (max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 24, 2026 Model card DeepSeek Self-reported DeepSeek AI Record for DeepSeek-V4-Pro on Humanity's Last Exam Full set — With tools 110002 OpenAI GPT-5.5 (xhigh)52.2% openai.com for GPT-5.5 (xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 23, 2026 Launch post OpenAI Self-reported Record for GPT-5.5 on Humanity's Last Exam Full set — With tools 10008 Moonshot AI Kimi K2.6 (thinking)54.0% huggingface.co for Kimi K2.6 (thinking) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 20, 2026 Model card Moonshot AI Self-reported Record for Kimi K2.6 on Humanity's Last Exam Full set — With tools 120002 Anthropic Claude Opus 4.7 (adaptive thinking, low)43.0% www-cdn.anthropic.com for Claude Opus 4.7 (adaptive thinking, low) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 16, 2026 System card Anthropic Self-reported Record for Claude Opus 4.7 on Humanity's Last Exam Full set — With tools 20010 Anthropic Claude Opus 4.7 (adaptive thinking, high)53.2% www-cdn.anthropic.com for Claude Opus 4.7 (adaptive thinking, high) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 16, 2026 System card Anthropic Self-reported Record for Claude Opus 4.7 on Humanity's Last Exam Full set — With tools 20010 Anthropic Claude Opus 4.7 (adaptive thinking, xhigh)55.4% www-cdn.anthropic.com for Claude Opus 4.7 (adaptive thinking, xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 16, 2026 System card Anthropic Self-reported Record for Claude Opus 4.7 on Humanity's Last Exam Full set — With tools 20010 Anthropic Claude Opus 4.7 (adaptive thinking, medium)48.4% www-cdn.anthropic.com for Claude Opus 4.7 (adaptive thinking, medium) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 16, 2026 System card Anthropic Self-reported Record for Claude Opus 4.7 on Humanity's Last Exam Full set — With tools 20010 Anthropic Claude Opus 4.7 (adaptive thinking, max)54.7% www-cdn.anthropic.com for Claude Opus 4.7 (adaptive thinking, max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 16, 2026 System card Anthropic Self-reported Record for Claude Opus 4.7 on Humanity's Last Exam Full set — With tools 20010 Meta AI (originally Facebook AI Research) Muse Spark (thinking)50.4% ai.meta.com for Muse Spark (thinking) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 8, 2026 Evaluation methodology Meta Self-reported Record for Muse Spark on Humanity's Last Exam Full set — With tools 80001 Meta AI (originally Facebook AI Research) Muse Spark (contemplating)58.4% ai.meta.com for Muse Spark (contemplating) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported April 8, 2026 Launch post Meta Self-reported Record for Muse Spark on Humanity's Last Exam Full set — With tools 80001 NVIDIA NVIDIA Nemotron 3 Super 120B-A12B (tools enabled)22.8% huggingface.co for NVIDIA Nemotron 3 Super 120B-A12B (tools enabled) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported March 11, 2026 Model card NVIDIA Self-reported Record for NVIDIA Nemotron 3 Super 120B-A12B on Humanity's Last Exam Full set — With tools 60002 OpenAI GPT-5.4 (xhigh)52.1% openai.com for GPT-5.4 (xhigh) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported March 5, 2026 Launch post OpenAI Self-reported Record for GPT-5.4 on Humanity's Last Exam Full set — With tools 10007 Alibaba (Tongyi) Qwen3.5-397B-A17B 48.3% alibabacloud.com for Qwen3.5-397B-A17B on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported February 17, 2026 Launch post Alibaba Cloud Community Self-reported Qwen Team Record for Qwen3.5-397B-A17B on Humanity's Last Exam Full set — With tools 130003 Anthropic Claude Sonnet 4.6 (adaptive thinking, max)49.0% www-cdn.anthropic.com for Claude Sonnet 4.6 (adaptive thinking, max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported February 17, 2026 System card Anthropic Self-reported Record for Claude Sonnet 4.6 on Humanity's Last Exam Full set — With tools 20009 Anthropic Claude Opus 4.6 (adaptive thinking, max)53.0% www-cdn.anthropic.com for Claude Opus 4.6 (adaptive thinking, max) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported February 5, 2026 System card Anthropic Self-reported Record for Claude Opus 4.6 on Humanity's Last Exam Full set — With tools 20008 Moonshot AI Kimi K2.5 (thinking)50.2% huggingface.co for Kimi K2.5 (thinking) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported January 27, 2026 Model card Moonshot AI Self-reported Record for Kimi K2.5 on Humanity's Last Exam Full set — With tools 120001 Alibaba (Tongyi) Qwen3-Max-Thinking 49.8% alibabacloud.com for Qwen3-Max-Thinking on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported January 25, 2026 Launch post Alibaba Cloud Community Self-reported Qwen Team Record for Qwen3-Max-Thinking on Humanity's Last Exam Full set — With tools 130002 NVIDIA NVIDIA Nemotron 3 Nano 30B-A3B (tools enabled)15.5% huggingface.co for NVIDIA Nemotron 3 Nano 30B-A3B (tools enabled) on Humanity's Last Exam Full set — With tools (opens in a new tab) Humanity's Last Exam Accuracy Reported December 15, 2025 Model card NVIDIA Self-reported Record for NVIDIA Nemotron 3 Nano 30B-A3B on Humanity's Last Exam Full set — With tools 60001