Compare models
Prices, specs and price history side by side. Data as of 2026-08-02
| Spec | Grok 4.5xAI | Grok Build 0.1xAI |
|---|---|---|
| Provider | xAI | xAI |
| Context window | 500K | 256K |
| Max output | - | - |
| Modalities | text, image, file → text | text, image, file → text |
| Open source | No | No |
| License | - | - |
| Released | - | - |
| Status | active | active |
| Input$ / 1M | 2 | 1cheapest |
| Output$ / 1M | 6 | 2cheapest |
| Cached$ / 1M | 0.5 | 0.2cheapest |
| Channel | openrouter | openrouter |
Price history
Overlaid price history. Solid = verified by us, dashed = estimated (archive).
Grok 4.5Grok Build 0.1verified by usestimated (archive)