grok-4.5
A xAI model. Every figure below was read off xAI's own pricing page and stamped with the date it was read — last pass 2026-08-04. Nothing here is estimated.
| Input / 1M tokens | $2 |
| Output / 1M tokens | $6 |
| Context window | 500k |
under 200k prompt; $4/$12 at or above 200k. Vendor calls it the most intelligent and fastest.
Price is only one decision input. Runtime performance requires reproducible measurement; the benchmark protocol explains what is measured and clearly marks results that are still pending. See every xAI model on its provider page.