Back to Models
GPT-5.1 Codex mini
by OpenAI
Knowledge cutoffSep 2024
Context window400k tokens
Release dateNov 2025
Input
$0.25 / 1M tokensOutput
$2.00 / 1M tokensCached
$0.03 / 1M tokensA smaller, faster version of OpenAI's Codex model. Great for well-defined tasks and precise prompts.
Compare GPT-5.1 Codex mini with
On Zo, you can choose between all the leading AI models for chatting, research, coding, and generating media. We believe in giving you the power to explore different models so that you can get the best results for any task.