reasoning
Humanity's Last Exam
- #203default of 58721.0%
- #261none of 58713.4%
Leader: Opus 5.5 · 61.4%
Alibaba · released 2026-02-24
Measured on 28 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
agentic
Leader: GPT-5.6 Sol · 56.2%
agentic
Leader: GPT-6 Astra · $15,515
agentic
Leader: GLM 5.2 · 99.1%
agentic
Leader: Qwen 3.8 Max · 51.3%
coding
Leader: Opus 5.5 · 1813
coding
Leader: GPT-5.6 Sol · 65.9%
coding
Leader: Fable 5.1 · 91.4%
composite
Leader: Opus 5.5 · 57.6
composite
Leader: Gemini 4 · 1525
composite
Leader: Gemini 4 · 1553
economics
Leader: Opus 5.5 · 1866
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: Opus 5.5 · 87.7%
long-context
Leader: Kimi K3 · 88.7%
reasoning
Leader: Muse Wonder Full (Max) · 32.9%
reasoning
Leader: GPT-6 Astra · 91.2%
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