Is Gemini 3.7 Flash or GPT-5.4 Nano cheaper?
GPT-5.4 Nano is cheaper ($0.2 / 1M tokens input / $1.25 / 1M tokens output) vs Gemini 3.7 Flash ($1.50 / 1M tokens input / $7.50 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.