Head to head

GPT-5.4 mini vs GPT-5.4 nano

On a blended workload of one million input tokens and three million output tokens, GPT-5.4 nano is 3.6× cheaper than GPT-5.4 mini.

GPT-5.4 miniGPT-5.4 nano
Provider OpenAI OpenAI
Input / MTok $0.75 $0.2
Output / MTok $4.5 $1.25
Cache read / MTok $0.075 $0.02
Context window
Blended 1M in + 3M out $14.25 $3.95
Status ga ga

GPT-5.4 mini detail   GPT-5.4 nano detail