Is DeepSeek-V4-Flash-0731 or DeepSeek-V4-Pro cheaper?
DeepSeek-V4-Flash-0731 is cheaper ($0.45 / 1M tokens input / $1.33 / 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.