Is Claude Fable 5.1 or DeepSeek-V4-Flash-0731 cheaper?
DeepSeek-V4-Flash-0731 is cheaper ($0.45 / 1M tokens input / $1.33 / 1M tokens output) vs Claude Fable 5.1 ($10 / 1M tokens input / $50 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.