reasoning
Humanity's Last Exam
- #201high of 58721.4%
Leader: Opus 5.5 · 61.4%
Other · released 2026-05-29
Measured on 21 benchmarks.
General frontier
20.5
#107 of 136 models · best at high
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: Gemini 3.5 Flash · 47.1%
agentic
Leader: Fable 5 · 51.1%
agentic
Leader: GPT-5.6 Sol · 56.2%
agentic
Leader: GLM 5.2 · 99.1%
agentic
Leader: Qwen 3.8 Max · 51.3%
coding
Leader: Opus 5.5 · 66.9%
coding
Leader: GPT-5.6 Sol · 65.9%
coding
Leader: Fable 5.1 · 91.4%
composite
Leader: Opus 5.5 · 57.6
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: 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%
speed
Leader: Gemini 2.5 Flash-Lite · 0.3s
speed
Leader: Celeris-1 · 1522.5