xAI LLM pricing
xAI has 5 models with live API pricing on this site. Cheapest paid option: Grok Build 0.1 at $1.25/1M blended. Highest Artificial Analysis Intelligence Index: Grok 4.5 (53.8).
Prices updated Jul 22, 2026, 1:31 AM UTC · refreshed hourly
| Model | Input $/1M | Output $/1M | Blended $/1M | Context | Intelligence |
|---|---|---|---|---|---|
| Grok Build 0.1 | $1.00 | $2.00 | $1.25 | 256K | 39.8 |
| Grok 4.3 | $1.25 | $2.50 | $1.56 | 1M | 37.6 |
| Grok 4.20 | $1.25 | $2.50 | $1.56 | 2M | 37 |
| Grok 4.20 Multi-Agent | $1.25 | $2.50 | $1.56 | 2M | — |
| Grok 4.5 | $2.00 | $6.00 | $3.00 | 500K | 53.8 |