Head to head

GPT-5.5 Cyber vs GPT-5.4 mini

On a blended workload of one million input tokens and three million output tokens, GPT-5.4 mini is 16.7× cheaper than GPT-5.5 Cyber.

GPT-5.5 CyberGPT-5.4 mini
Provider OpenAI OpenAI
Input / MTok $12.5 $0.75
Output / MTok $75 $4.5
Cache read / MTok $1.25 $0.075
Context window
Blended 1M in + 3M out $237.50 $14.25
Status ga ga

GPT-5.5 Cyber detail   GPT-5.4 mini detail