xAI AI models
Updated February 2026 · 1 models · ranked by input price (low → high)
A complete list of xAI models in the catalog with pricing and specs, ranked from cheapest input price up. Use it to pick the right xAI tier for your workload.
| # | Model | Input | Output | Context |
|---|---|---|---|---|
| 1 | Grok 4 xAI | $5.00 | $15.00 | 256K |
1. Grok 4
xAI · $5.00 in / $15.00 out per 1M · 256K context · Dec 2025
Real-time knowledge model with strong reasoning and a conversational style.