xAI
Grok 4.5 benchmark results
6 results on 6 benchmarks from 3 sources.
Also listed as: grok-4.5 · grok-4.5_high · Grok 4.5 (high)
All benchmark results
| Benchmarks | Score | Rank | Setting | Source type | Date |
|---|---|---|---|---|---|
| LMArena Text | 1466 | 51 | Overall, style control on; 39953 votes; 95% CI 1461–1470“grok-4.5” | Official leaderboard | Oct 8, 2026 |
| LMArena WebDev | 1553 | 39 | Overall; 11116 votes; 95% CI 1546–1560“grok-4.5” | Official leaderboard | Oct 8, 2026 |
| LMArena Vision | 1279 | 28 | Overall, style control on; 11039 votes; 95% CI 1272–1286“grok-4.5” | Official leaderboard | Oct 2, 2026 |
| GPQA Diamond | 93.4% | 15 | Epoch AI run, accuracy; effort: high | Independent run | Jul 8, 2026 |
| AIME (OTIS Mock AIME 2024–2025) | 97.8% | 31 | Epoch AI run, OTIS Mock AIME 2024–2025; effort: high | Independent run | Jul 8, 2026 |
| τ²-bench | 47.9% | 3 | banking_knowledge domain, pass^1; effort: high; submitted by Sierra; v1.0.1 | Official leaderboard | Jul 24, 2026 |
FAQ
Where do these Grok 4.5 scores come from?
From Epoch AI Benchmarking Hub, LMArena leaderboard dataset, and τ²-bench leaderboard submissions. Each row links to the original leaderboard, dataset or report, and vendor-reported numbers are labelled.