Select up to 4 models to compare benchmarks, pricing, and capabilities side by side.
xAI
xAI
xAI
| Model | Input | Output | Blended* |
|---|---|---|---|
Grok-3 | $3.00 | $15.00 | $9.00 |
Grok-3 Mini | $0.30 | $0.50 | $0.40 |
Grok 4.20 | $3.00 | $15.00 | $9.00 |
*Blended = average of input and output price
| Spec | Grok-3 | Grok-3 Mini | Grok 4.20 |
|---|---|---|---|
| Context Window | 131K | 131K | 131K |
| Max Output | 16K | 16K | 16K |
| TTFT | 400ms | 200ms | 500ms |
| Speed | 85 tok/s | 140 tok/s | 70 tok/s |
| Parameters | N/A | N/A | N/A |
| Architecture | Transformer (MoE) | Transformer + Reasoning | 4-Agent Parallel System |
| Open Source | No | No | No |
| Tier | frontier | mid | frontier |
Best Performance
Grok 4.20
Best Value
Grok-3 Mini
Fastest
Grok-3 Mini