Model creator
xAI
5 models in the index, 3 of them benchmarked.
Models
5
Best Intelligence
55.8
Grok 4.5
Open weights
No
Latest release
Jul 2026
Catalogue
How the line-up stacks up
Benchmarked models ranked within this creator's own range, so you can see where each release sits in the family.
Intelligence Index
xAI models · higher is better
View as table
| Model | Intelligence |
|---|---|
| Grok 4.5 | 55.8 |
| Grok 4.20 | 38.0 |
| Grok 4.3 | 37.9 |
Own record over time
Best Intelligence Index this creator had shipped at each date
A step means this creator beat its own previous best, not necessarily the industry frontier.
View as table
| Date | Model | Index |
|---|---|---|
| Mar 2026 | Grok 4.20 | 38.0 |
| Jul 2026 | Grok 4.5 | 55.8 |
Full list
All 5 xAI models
Filter by creator
5 of 5 models| Grok 4.5 xAI | 55.8 | $0.58 |
| Grok 4.20 xAI | 38.0 | $0.26 |
| Grok 4.3 xAI | 37.9 | $0.26 |
| Grok Build 0.1 xAI | — | $0.21 |
| Grok 4.20 Multi-Agent xAI | — | $0.26 |