Head to head

GPT-4o vs Gemini 2.5 Pro

On a blended workload of one million input tokens and three million output tokens, Gemini 2.5 Pro is 1.0× cheaper than GPT-4o.

GPT-4oGemini 2.5 Pro
Provider OpenAI Google
Input / MTok $2.5 $1.25
Output / MTok $10 $10
Cache read / MTok $1.25 $0.125
Context window 128,000
Blended 1M in + 3M out $32.50 $31.25
Status ga ga

GPT-4o detail   Gemini 2.5 Pro detail