Grok 4.3
xAI · released Apr 29, 2026
Mid-tier Grok with configurable reasoning levels.
48.0
Podium Score
#316 of 673
1442
Arena Elo
73 on Arena
129 t/s
Output Speed
$2.5/M
Output Price
$1.25/M in
500K
Context Window
Scores by Source
Category Scores
Benchmark Results
Model Details
| Release date | Apr 29, 2026 |
|---|---|
| Parameters | Not disclosed |
| License | Proprietary |
| Context Window | 500,000 tokens |
| Input Price | $1.25/M |
| Output Price | $2.5/M |
| Output Speed | 129 t/s |
| Time to First Token | 1 ms |