Gemini 3 Flash vs GPT-5 Nano

Google · OpenAI — Interactive pricing comparison

Input tokens per request4K

Output tokens per request2K

Requests per day100

Google

Input$0.5/1M

Output$3/1M

Cache read$0.05/1M

Cost per request$0.0080

Monthly estimate$24.00

Max input1.0M

Max output66K

OpenAI

Input$0.05/1M

Output$0.4/1M

Cache read$0.01/1M

Cost per request$0.0010

Monthly estimate$3.00

Max input272K

Max output128K

GPT-5 Nano is 88% cheaper at this usage

Gemini 3 Flash has a larger context window

Capabilities