openai
OpenAI: GPT-5.1-Codex-Mini
openai/gpt-5.1-codex-mini
For $1, you can send approximately:
~63.5messages
How do we get this number?
One message = ~7,000 input tokens + ~7,000 output tokens
Input cost per message7,000 x $0.25/M = $0.001750
Output cost per message7,000 x $2.00/M = $0.014000
Total cost per message$0.015750
Messages for $163.49
Context window
400k
tokens
Max response
100k
tokens
Input price
$0.25
per million tokens
Output price
$2.00
per million tokens
Modalities
Input:imageInput:textOutput:text
Description
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex