reasoning
Humanity's Last Exam
- #257default of 58713.8%
- #335none of 5878.7%
Leader: Opus 5.5 · 61.4%
Google · released 2025-05-20
Measured on 52 benchmarks.
General frontier
Not ranked in this mix — too little measured data for its benchmarks.
reasoning
Leader: Opus 5.5 · 61.4%
knowledge
Leader: Opus 5.5 · 46.4
reasoning
Leader: Opus 4.8 · 95.0%
reasoning
Leader: Opus 5.5 · 88.4%
agentic
Leader: GPT-5.5 · 84.7%
agentic
Leader: GPT-6 Astra · $15,515
agentic
Leader: GLM 5.2 · 99.1%
coding
Leader: Gemini 3 Pro · 91.7%
coding
Leader: Fable 5.1 · 90.5%
coding
Leader: GPT-5.5 · 73.2%
coding
Leader: GPT-5.6 Sol · 65.9%
coding
Leader: GPT-6 Astra Pro · 93.6%
composite
Leader: Opus 5.5 · 57.6
composite
Leader: Gemini 4 · 1525
composite
Leader: Gemini 4 · 1553
economics
Leader: Opus 5 · 73.2%
economics
Leader: Opus 5 · 72.1%
economics
Leader: Muse Spark 1.2 · 80.4%
instruction
Leader: Grok 4.3 · 83.3%
knowledge
Leader: Fable 5.1 · 67.2%
knowledge
Leader: MiniCPM5-1B (Non-reasoning) · 99.1%
knowledge
Leader: Gemini 3.1 Pro · 93.2%
knowledge
Leader: GPT-6 Astra · 96.3%
knowledge
Leader: Gemini 3.1 Pro · 95.5%
knowledge
Leader: Opus 5 · 63.6%
knowledge
Leader: o1 · 96.5%
knowledge
Leader: Opus 5.5 · 91.4%
knowledge
Leader: Fable 5.1 · 92.4%
knowledge
Leader: Gemini 3 Pro · 89.8%
knowledge
Leader: Fable 5.1 · 90.6%
knowledge
Leader: Opus 5.5 · 87.7%
long-context
Leader: Kimi K3 · 88.7%
long-context
Leader: Sonnet 5.5 · 75.0%
math
Leader: Gemini 3.1 Pro · 98.1%
math
Leader: GPT-5.2 · 99.0%
math
Leader: Gemini 3 Pro · 96.4%
math
Leader: GPT-5 · 99.4%
math
Leader: Opus 4.5 · 95.2%
other
Leader: Fable 5 · 1308
other
Leader: Opus 5.5 · 29.1%
reasoning
Leader: Fable 5 · 98.5%
reasoning
Leader: GPT-6 Astra · 95.0%
reasoning
Leader: Muse Wonder Full (Max) · 32.9%
reasoning
Leader: Fable 5 · 88.6%
reasoning
Leader: Opus 4.7 · 56.1%
reasoning
Leader: Gemini 3.1 Pro · 77.5%
reliability
Leader: GPT-5.4 Pro · 0.0%
reliability
Leader: GPT-5 Pro · 100.0%
speed
Leader: Gemini 2.5 Flash-Lite · 0.3s
speed
Leader: Celeris-1 · 1522.5
speed
Leader: Qwen 2.5 7B · 0.2s
speed
Leader: Muse Spark 1.1 · 204.3