← Grok 4.5 · API · High effort
Evidenceacceptedindependent_lab
Humanity's Last Exam
Artificial Analysis — Humanity's Last Exam (Grok 4.5 high)
ev_2026_07_grok45_aa_hle
Result
40.3%
Confidence A
- Tested
- 2026-07-08
- Runs
- 1
Configuration
How it was measured
- Exact model
- grok-4.5
- Reasoning
- high
- Agent harness
- none
- Tool access
- none (closed-book)
- Prompting
- Artificial Analysis HLE protocol (AA suite)
Secondary INT — independent AA HLE (closed-book). Frontier-relative norm under meth_v0_1_1. Float locked via AA-sourced OpenRouter model card.
Caveats
Known limitations
- Closed-book — not tool-enabled multi-agent HLE.
- Float transcribed from AA-sourced OpenRouter mirror of AA evaluation suite.
Weighting
Evidence weight factors
The engine weights each evidence row by these factors (0–1) when fusing scores — higher is more trusted.
relevance0.95
quality1.00
recency1.00
health0.90
comparability0.85
reliability0.85
Benchmark
Humanity's Last Exam
Frontier closed-ended academic benchmark across many subjects; often reported with and without tools.
Benchmark source →