Is DeepSeek-V4.1-Flash or DeepSeek-V4-Flash cheaper?
DeepSeek-V4-Flash is cheaper ($0.14 / 1M tokens input / $0.28 / 1M tokens output) vs DeepSeek-V4.1-Flash ($0.3 / 1M tokens input / $1.18 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.