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Best LLMs for advanced knowledge and reasoning

HLE-Diamond

HLE-Diamond is a revised 1,000-question version of Humanity’s Last Exam, split into 500 reasoning and 500 knowledge questions. These results use the official prompts without tools. Scores are separate from the original Humanity’s Last Exam.

Updated: Data as of:
Widely usedNot saturated
Official benchmark
HLE-Diamond results. Each row identifies its benchmark version and evaluation track. Scores from different versions are not directly comparable. Best effort from the latest stored report date per model and version.
Model / creatorVersionReported score
Gemini 4 CarbonGoogle · Proprietary1,000 questions / no tools69.1%
Claude Opus 5.5Anthropic · Proprietary1,000 questions / no tools67.9%
GPT-6 AstraOpenAI · Proprietary1,000 questions / no tools63.8%
Claude Fable 5.1Anthropic · Proprietary1,000 questions / no tools60.1%
GPT-6.1 SolOpenAI · Proprietary1,000 questions / no tools58.8%
Gemini 4 ArgonGoogle · Proprietary1,000 questions / no tools56.7%
Claude Sonnet 5.5Anthropic · Proprietary1,000 questions / no tools53.3%
GPT-6.1 TerraOpenAI · Proprietary1,000 questions / no tools47.3%
Muse Wonder 1.0Meta · Proprietary1,000 questions / no tools39%
Kimi K3.1 ProMoonshot AI · Open source / open weights1,000 questions / no tools37.3%
Muse Spark 1.3Meta · Proprietary1,000 questions / no tools33.7%
Gemini 3.8 FlashGoogle · Proprietary1,000 questions / no tools33.1%
Gemini 3.1 ProGoogle · Proprietary1,000 questions / no tools31.4%
Claude Haiku 5.5Anthropic · Proprietary1,000 questions / no tools29.6%
GPT-5.6 TerraOpenAI · Proprietary1,000 questions / no tools28.8%
MiniMax M3.1 FlashMiniMax · Open source / open weights1,000 questions / no tools28.1%
Kimi K3Moonshot AI · Open source / open weights1,000 questions / no tools26.9%
Muse Spark OpenMeta · Open source / open weights1,000 questions / no tools26.3%
DeepSeek V4.1 Flash 1017DeepSeek · Open source / open weights1,000 questions / no tools25.3%
Step 5 PreviewStepFun · Open source / open weights1,000 questions / no tools24.3%
Grok 4.7xAI · Proprietary1,000 questions / no tools23.6%
GPT-6 LunaOpenAI · Proprietary1,000 questions / no tools22.2%
DeepSeek V4 Pro 0813DeepSeek · Open source / open weights1,000 questions / no tools19.5%
DeepSeek V4.1 FlashDeepSeek · Open source / open weights1,000 questions / no tools19.1%
GLM-5.3-FlashZ.ai · Open source / open weights1,000 questions / no tools18.2%
GLM-5.3Z.ai · Open source / open weights1,000 questions / no tools17.9%
MiniMax M3MiniMax · Open source / open weights1,000 questions / no tools16%
Qwen3.8 27BQwen · Open source / open weights1,000 questions / no tools15.3%
MiMo-V2.6-ProXiaomi · Open source / open weights1,000 questions / no tools15.2%
Qwen3.5-397B-A17BQwen · Open source / open weights1,000 questions / no tools12.4%
InklingThinking Machines · Open source / open weights1,000 questions / no tools10.6%
Nemotron 3.5 Super VLNVIDIA · Open source / open weights1,000 questions / no tools8.8%
gpt-oss-20bOpenAI · Open source / open weights1,000 questions / no tools4.8%
Qwen 3.5 9BQwen · Open source / open weights1,000 questions / no tools4.8%
gpt-oss-120bOpenAI · Open source / open weights1,000 questions / no tools3.8%
View all 35 published reports
1,000 questions / no tools

selection: best reported configuration per release · Gemini 4 Carbon (High) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Claude Opus 5.5 (Max, Default Fallback) · No tools

1,000 questions / no tools

selection: best reported configuration per release · GPT-6 Astra (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Claude Fable 5.1 (Max, Default Fallback) · No tools

1,000 questions / no tools

selection: best reported configuration per release · GPT-6.1 Sol (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Gemini 4 Argon (High) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Claude Sonnet 5.5 (Max, Default Fallback) · No tools

1,000 questions / no tools

selection: best reported configuration per release · GPT-6.1 Terra (max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Muse Wonder (max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Kimi K3.1 Pro · No tools

1,000 questions / no tools

selection: best reported configuration per release · Muse Spark 1.3 (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Gemini 3.8 Flash (High) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Gemini 3.1 Pro Preview · No tools

1,000 questions / no tools

selection: best reported configuration per release · Claude Haiku 5.5 (max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · GPT-5.6 Terra (max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · MiniMax-M3.1-Flash · No tools

Kimi K326.9%
1,000 questions / no tools

selection: best reported configuration per release · Kimi K3 (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Muse Spark Open (xhigh) · No tools

1,000 questions / no tools

selection: best reported configuration per release · DeepSeek V4.1 Flash 1017 (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Step 5 Preview · No tools

1,000 questions / no tools

selection: best reported configuration per release · Grok 4.7 (High) · No tools

1,000 questions / no tools

selection: best reported configuration per release · GPT-6 Luna (max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · DeepSeek V4 Pro 0813 (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · DeepSeek V4.1 Flash (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · GLM-5.3-Flash · No tools

GLM-5.317.9%
1,000 questions / no tools

selection: best reported configuration per release · GLM-5.3 (Max) · No tools

1,000 questions / no tools

selection: best reported configuration per release · MiniMax-M3 · No tools

1,000 questions / no tools

selection: best reported configuration per release · Qwen3.8 27B (xhigh) · No tools

1,000 questions / no tools

selection: best reported configuration per release · MiMo-V2.6-Pro · No tools

1,000 questions / no tools

selection: best reported configuration per release · Qwen3.5 397B A17B · No tools

Inkling10.6%
1,000 questions / no tools

selection: best reported configuration per release · Inkling (xhigh) · No tools

1,000 questions / no tools

selection: best reported configuration per release · Nemotron 3.5 Super VL · No tools

1,000 questions / no tools

selection: best reported configuration per release · Qwen3.5 9B · No tools

1,000 questions / no tools

selection: best reported configuration per release · gpt-oss-20b (High) · No tools

1,000 questions / no tools

selection: best reported configuration per release · gpt-oss-120b (High) · No tools