reasoning
Humanity's Last Exam
- #113default of 58735.6%
Leader: Opus 5.5 · 61.4%
Alibaba · released 2026-06-01
Measured on 53 benchmarks.
General frontier
36.4
#69 of 136 models
includes estimates: 24% of the mix is measured for this model
reasoning
Leader: Opus 5.5 · 61.4%
knowledge
Leader: Opus 5.5 · 46.4
agentic
Leader: Sonnet 5.5 · 1823
agentic
Leader: Opus 5.5 · 15.5%
agentic
Leader: Gemini 3.5 Flash · 47.1%
agentic
Leader: Gemini 4 · 77.5%
agentic
Leader: Fable 5 · 51.1%
agentic
Leader: Muse Spark 1.2 · 25.4%
agentic
Leader: Muse Spark 1.3 · 55.3%
agentic
Leader: Fable 5 · 86.0%
agentic
Leader: DeepSeek V4.1 Flash · 69.8%
agentic
Leader: Fable 5.1 · 49.2%
agentic
Leader: GLM 5.2 · 99.1%
agentic
Leader: Qwen 3.8 Max · 51.3%
coding
Leader: Sonnet 5.5 · 69.8%
coding
Leader: Opus 5.5 · 65.3%
coding
Leader: Opus 5.5 · 54.6%
coding
Leader: Opus 5.5 · 66.9%
coding
Leader: Opus 5.5 · 87.6%
coding
Leader: GPT-5.6 Sol · 65.9%
coding
Leader: Fable 5.1 · 91.4%
coding
Leader: Sonnet 5.5 · 63.6%
coding
Leader: Sonnet 5.5 · 92.4%
composite
Leader: Opus 5.5 · 57.6
composite
Leader: Gemini 4 · 1525
composite
Leader: Gemini 4 · 1553
composite
Leader: Fable 5 · 74.2%
cost
Leader: GPT-6 Luna · $0.00
cost
Leader: GPT-6 Luna · $10.63
economics
Leader: Fable 5.1 · 76.7%
economics
Leader: Gemini 4 · 65.4%
economics
Leader: Muse Wonder Full (Max) · 32.6%
economics
Leader: Opus 5.5 · 1866
economics
Leader: Opus 5 · 72.1%
instruction
Leader: Grok 4.3 · 83.3%
knowledge
Leader: Fable 5.1 · 67.2%
knowledge
Leader: MiniCPM5-1B (Non-reasoning) · 99.1%
knowledge
Leader: GPT-6 Astra · 96.3%
knowledge
Leader: Opus 5.5 · 87.7%
long-context
Leader: Kimi K3 · 88.7%
long-context
Leader: Opus 5 · 1516
long-context
Leader: Sonnet 5.5 · 75.0%
math
Leader: GPT-6.1 Sol · 93.7%
other
Leader: Fable 5 · 1308
reasoning
Leader: Muse Wonder Full (Max) · 32.9%
reasoning
Leader: GPT-6 Astra · 91.2%
reasoning
Leader: Opus 4.7 · 56.1%
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