x-ai
xAI: Grok 4.5
x-ai/grok-4.5
For $1, you can send approximately:
~17.9messages
How do we get this number?
One message = ~7,000 input tokens + ~7,000 output tokens
Input cost per message7,000 x $2.00/M = $0.014000
Output cost per message7,000 x $6.00/M = $0.042000
Total cost per message$0.056000
Messages for $117.86
Context window
500k
tokens
Max response
0
tokens
Input price
$2.00
per million tokens
Output price
$6.00
per million tokens
Modalities
Input:textInput:imageInput:fileOutput:text
Description
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.