Compare models
Pick up to four models to compare specs and prices side by side. The best context window and lowest price in each row are marked.
| Attribute | Grok 4.1 FastxAI |
|---|---|
| Overview | |
| Developer | xAI |
| Released | Nov 19, 2025 |
| Type | Multimodal |
| Weights | Closed |
| Status | Retired |
| License | Proprietary |
| Size and context | |
| Architecture | - |
| Parameters | - |
| Active parameters | - |
| Context window | 2M |
| Max output | - |
| Knowledge cutoff | - |
| Price per 1M tokens (USD) | |
| Input, current | - |
| Output, current | - |
| Input, at launch | $0.20 |
| Output, at launch | $0.50 |
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