reasoning
Humanity's Last Exam
- #228default of 58717.5%
Leader: Opus 5.5 · 61.4%
Other · released 2026-08-20
Measured on 12 benchmarks.
General frontier
24.8
#93 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: Qwen 3.8 Max · 51.3%
coding
Leader: Opus 5.5 · 66.9%
coding
Leader: Fable 5.1 · 91.4%
composite
Leader: Opus 5.5 · 57.6
economics
Leader: Opus 5.5 · 1866
knowledge
Leader: Fable 5.1 · 67.2%
knowledge
Leader: MiniCPM5-1B (Non-reasoning) · 99.1%
knowledge
Leader: GPT-6 Astra · 96.3%
long-context
Leader: Kimi K3 · 88.7%
reasoning
Leader: Muse Wonder Full (Max) · 32.9%