Head to head

GPT-5 nano vs GPT-4.1 mini

On a blended workload of one million input tokens and three million output tokens, GPT-5 nano is 4.2× cheaper than GPT-4.1 mini.

GPT-5 nanoGPT-4.1 mini
Provider OpenAI OpenAI
Input / MTok $0.05 $0.4
Output / MTok $0.4 $1.6
Cache read / MTok $0.005 $0.1
Context window 1,047,576
Blended 1M in + 3M out $1.25 $5.20
Status ga ga

GPT-5 nano detail   GPT-4.1 mini detail