Head to head

GPT-5 mini vs GPT-4.1 mini

On a blended workload of one million input tokens and three million output tokens, GPT-4.1 mini is 1.2× cheaper than GPT-5 mini.

GPT-5 miniGPT-4.1 mini
Provider OpenAI OpenAI
Input / MTok $0.25 $0.4
Output / MTok $2 $1.6
Cache read / MTok $0.025 $0.1
Context window 1,047,576
Blended 1M in + 3M out $6.25 $5.20
Status ga ga

GPT-5 mini detail   GPT-4.1 mini detail