Grok 4.1 Fast vs xAI: Grok Build 0.1
Both have similar output pricing, while xAI: Grok Build 0.1 offers a larger context window. Choose Grok 4.1 Fast or xAI: Grok Build 0.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 4.1 Fast | xAI: Grok Build 0.1 |
|---|---|---|
| Provider | xAI | xAI |
| Input / 1M tokens | — | $1.00 |
| Output / 1M tokens | — | $2.00 |
| Context window | — | 256K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Nov 2025 | — |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.