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 the easy half. What it costs you also depends on how fast the first token arrives and what survives concurrency — that part is measured. See every xAI model on its provider page.