Head to head

GPT-5.5 Cyber vs o1

On a blended workload of one million input tokens and three million output tokens, o1 is 1.2× cheaper than GPT-5.5 Cyber.

GPT-5.5 Cybero1
Provider OpenAI OpenAI
Input / MTok $12.5 $15
Output / MTok $75 $60
Cache read / MTok $1.25 $7.5
Context window 200,000
Blended 1M in + 3M out $237.50 $195.00
Status ga ga

GPT-5.5 Cyber detail   o1 detail