xAI — AI model benchmarks
AI models from xAI. 31 models tracked, 29 with a unified ELO rating. Current best: Grok 4.5 (High) (ELO 1931, rank #47 overall). Most recent tracked release: 2026-07-08.
Rated models
| Rank | Model | Provider | Unified ELO | Benchmarks |
|---|---|---|---|---|
| 47 | Grok 4.5 (High) | xAI | 1931 ± 21 | 32 |
| 77 | Grok 4.5 | xAI | 1882 ± 17 | 77 |
| 103 | Grok Build 0.1 | xAI | 1853 ± 25 | 30 |
| 117 | Grok 4.20 Multi-Agent | xAI | 1828 ± 30 | 12 |
| 119 | Grok 4.3 (High) | xAI | 1824 ± 26 | 30 |
| 145 | Grok 4.20 0309 (Reasoning) | xAI | 1792 ± 17 | 56 |
| 150 | Grok 4.20 (Reasoning) | xAI | 1790 ± 32 | 31 |
| 214 | Grok 4.1 Fast | xAI | 1738 ± 18 | 118 |
| 221 | Grok 4 | xAI | 1729 ± 10 | 317 |
| 257 | Grok 4.20 | xAI | 1710 ± 10 | 255 |
| 259 | Grok 4 Fast (Reasoning) | xAI | 1709 ± 12 | 86 |
| 267 | Grok 4.3 | xAI | 1701 ± 15 | 121 |
| 285 | Grok 4.1 | xAI | 1693 ± 39 | 18 |
| 287 | Grok 3 Mini (High) | xAI | 1692 ± 18 | 30 |
| 338 | Grok 4.1 Fast (Reasoning) | xAI | 1662 ± 9 | 233 |
Interactive version: theaggregate.ai/company?slug=xai · How the rankings work · Data refreshed daily, snapshot 2026-07-22.