xAI
Grok 4.5
xAI's smartest model — frontier performance on coding and reasoning.
ReasoningCodeMultimodal
$ / 1M input
$2.000
What you pay per million prompt tokens.
$ / 1M output
$6.000
What you pay per million completion tokens.
Blended (70 / 30)
$3.200
Typical chat workload mix.
Context window
500,000 tokens