xAIclosed weightsReasoning
Grok 4.5
$4/$12 above 200K context.
Jul 8, 2026
$2 / $6
$3
500K
Benchmark scores
| Benchmark | Score | Δ vs prior | Rank (current) | Configuration | Source |
|---|---|---|---|---|---|
Terminal-Bench 2.1 | 67.8% | #13 of 21 | leaderboard | benchlm.ai ↗ | |
ARC-AGI-2 | 52.6% | #10 of 10 | leaderboard | benchlm.ai ↗ | |
Artificial Analysis Intelligence Index | 53.8 | #2 of 11 | leaderboard | benchlm.ai ↗ |