Head to head

GPT-5.2 Pro vs GPT-5.1

On a blended workload of one million input tokens and three million output tokens, GPT-5.1 is 16.8× cheaper than GPT-5.2 Pro.

GPT-5.2 ProGPT-5.1
Provider OpenAI OpenAI
Input / MTok $21 $1.25
Output / MTok $168 $10
Cache read / MTok $0.125
Context window
Blended 1M in + 3M out $525.00 $31.25
Status ga ga

GPT-5.2 Pro detail   GPT-5.1 detail