Is DeepSeek-V4-Pro or Gemini 3.1 Flash-Lite cheaper?
Gemini 3.1 Flash-Lite is cheaper ($0.25 / 1M tokens input / $1.50 / 1M tokens output) vs DeepSeek-V4-Pro ($1.65 / 1M tokens input / $3.31 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.