Head to head

Gemini 2.5 Pro vs Gemini 3.5 Flash

On a blended workload of one million input tokens and three million output tokens, Gemini 3.5 Flash is 1.1× cheaper than Gemini 2.5 Pro.

Gemini 2.5 ProGemini 3.5 Flash
Provider Google Google
Input / MTok $1.25 $1.5
Output / MTok $10 $9
Cache read / MTok $0.125 $0.15
Context window
Blended 1M in + 3M out $31.25 $28.50
Status ga ga

Gemini 2.5 Pro detail   Gemini 3.5 Flash detail