POST

/v1/estimate · spacexai/grok-4.20-reasoning-beta

field	recorded source
pricing	Source linked above. Source trace `0d5f4025026a7b5633fae7be2545dd628fc4668ea14996d3b186d681210cc722`

input_tokens number · usage	$1.25 / 1M
output_tokens number · usage	$2.5 / 1M
cache_read_tokens number · usage
quote	$7.5 — input_tokens 1000000 · output_tokens 1000000 · cache_read_tokens 0 base rate; long prompts re-quote