AI Lab
xAI AI Models
AI IQ tracks 7 xAI models, from the lab's home base in United States. Grok 4.6 is the lab's highest-scoring model with an estimated IQ of 123, #20 on the overall leaderboard.
Models Tracked
7
Best IQ
123
Best IQ Rank
#20
Open Weights
0/7
Latest Generation
The newest release in each xAI model line
Every Tracked xAI Model
Latest = current-generation release
| Model | Released | IQ | IQ Rank | Effective Cost | Context | Weights |
|---|---|---|---|---|---|---|
| Grok 4.6Latest | 2026-08-12 | 123 | #20 | $21.06 | 500K | Proprietary |
| Grok 4.5 | 2026-07-08 | 122 | #22 | $9.4728 | 500K | Proprietary |
| Grok 4.20 | 2026-02-17 | 116 | #38 | $4.6946 | n/a | Proprietary |
| Grok 4.3 | 2026-04-17 | 115 | #41 | $2.6033 | 1M | Proprietary |
| Grok 4 | 2025-07-09 | 103 | #75 | $15.87 | n/a | Proprietary |
| Grok 3 | 2025-02-17 | 88 | #116 | $3.2604 | n/a | Proprietary |
| Grok 2 | 2024-08-14 | 79 | #128 | n/a | n/a | Proprietary |