grok-4.20-multi-agent-0309
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 | $1.25 |
| Output / 1M tokens | $2.5 |
| Context window | 1M |
under 200k prompt; $2.50/$5 at or above 200k — same tiering as grok-4.3. Undated on vendor page; first seen 2026-08-04
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.