Home › Compare › DeepSeek: DeepSeek V4 Flash 0731 vs DeepSeek: DeepSeek V4.1 Flash

DeepSeek: DeepSeek V4 Flash 0731 vs DeepSeek: DeepSeek V4.1 Flash: API Pricing Compared

Comparing DeepSeek: DeepSeek V4 Flash 0731 and DeepSeek: DeepSeek V4.1 Flash: on combined input+output list price, DeepSeek: DeepSeek V4.1 Flash is cheaper at $0.171 vs $0.1778 per 1M tokens — a difference of $0.00676 (4%). DeepSeek: DeepSeek V4 Flash 0731 costs $0.04444 in / $0.1333 out with a 1,048,576-token context; DeepSeek: DeepSeek V4.1 Flash costs $0.0342 in / $0.1368 out with a 1,048,576-token context.
DeepSeek: DeepSeek V4 Flash 0731DeepSeek: DeepSeek V4.1 Flash
Input /1M$0.04444$0.0342
Output /1M$0.1333$0.1368
Cached input /1M$0.001414$0.000684
Context window1,048,5761,048,576
Max output tokens131,072393,216
Cost @ 10M in + 2M out / mo$0.711$0.6156

Estimate your own workload in the cost calculator, or open the full pages for DeepSeek: DeepSeek V4 Flash 0731 and DeepSeek: DeepSeek V4.1 Flash.

Frequently asked questions

Which is cheaper, DeepSeek: DeepSeek V4 Flash 0731 or DeepSeek: DeepSeek V4.1 Flash?

DeepSeek: DeepSeek V4.1 Flash is cheaper on combined list price: $0.171 vs $0.1778 per 1M tokens (input + output). At 10M input + 2M output tokens per month, DeepSeek: DeepSeek V4 Flash 0731 costs $0.711 and DeepSeek: DeepSeek V4.1 Flash costs $0.6156.

Which has the larger context window, DeepSeek: DeepSeek V4 Flash 0731 or DeepSeek: DeepSeek V4.1 Flash?

DeepSeek: DeepSeek V4 Flash 0731 has a context window of 1,048,576 tokens; DeepSeek: DeepSeek V4.1 Flash has 1,048,576 tokens. The larger one is DeepSeek: DeepSeek V4 Flash 0731.

Price snapshot October 22, 2026, refreshed daily.