Head to head

GPT-5.6 Sol vs GPT-5.5

On a blended workload of one million input tokens and three million output tokens, GPT-5.5 is line-ball with GPT-5.6 Sol.

GPT-5.6 SolGPT-5.5
Provider OpenAI OpenAI
Input / MTok $5 $5
Output / MTok $30 $30
Cache read / MTok $0.5 $0.5
Context window
Blended 1M in + 3M out $95.00 $95.00
Status ga ga

GPT-5.6 Sol detail   GPT-5.5 detail