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Grok 4.3 Beta benchmark results
5 results on 5 benchmarks from 2 sources.
Also listed as: grok-4.3 · grok-4.3_high
All benchmark results
| Benchmarks | Score | Rank | Setting | Source type | Date |
|---|---|---|---|---|---|
| LMArena Text | 1442 | 93 | Overall, style control on; 71448 votes; 95% CI 1438–1445“grok-4.3” | Official leaderboard | Oct 8, 2026 |
| LMArena WebDev | 1357 | 108 | Overall; 14994 votes; 95% CI 1351–1363“grok-4.3” | Official leaderboard | Oct 8, 2026 |
| LMArena Vision | 1243 | 56 | Overall, style control on; 26300 votes; 95% CI 1237–1249“grok-4.3” | Official leaderboard | Oct 2, 2026 |
| GPQA Diamond | 88.8% | 53 | Epoch AI run, accuracy | Independent run | Jun 17, 2026 |
| AIME (OTIS Mock AIME 2024–2025) | 93.3% | 56 | Epoch AI run, OTIS Mock AIME 2024–2025 | Independent run | Jun 17, 2026 |
FAQ
Where do these Grok 4.3 Beta scores come from?
From Epoch AI Benchmarking Hub and LMArena leaderboard dataset. Each row links to the original leaderboard, dataset or report, and vendor-reported numbers are labelled.