AI models / xAI
Grok 4.3
Lower-priced xAI model with a 1M-token context window.
Specs and pricing
| Provider | xAI |
|---|---|
| API model ID | grok-4.3 |
| API price (standard) | $1.25 in / $2.50 out per 1M tokens |
| Pricing note | Prompts under 200K tokens; $2.50 in / $5.00 out at 200K+. |
| Context window | 1M tokens |
| Max output | Not stated on the page we checked |
| Weights | Closed (API only) |
| Cached input | $0.20 / 1M |
Source: xAI models & pricing (checked 2026-10-15). Prices change often, so confirm on the provider's page before you commit.
Official page