Home › Compare › DeepSeek: DeepSeek V4 Flash 0731 vs DeepSeek: DeepSeek V4.1 Flash 1017

DeepSeek: DeepSeek V4 Flash 0731 vs DeepSeek: DeepSeek V4.1 Flash 1017: API Pricing Compared

Comparing DeepSeek: DeepSeek V4 Flash 0731 and DeepSeek: DeepSeek V4.1 Flash 1017: on combined input+output list price, DeepSeek: DeepSeek V4.1 Flash 1017 is cheaper at $0.75 vs $1.76 per 1M tokens — a difference of $1.01 (57%). DeepSeek: DeepSeek V4 Flash 0731 costs $0.44 in / $1.32 out with a 1,048,576-token context; DeepSeek: DeepSeek V4.1 Flash 1017 costs $0.15 in / $0.6 out with a 1,048,576-token context.
DeepSeek: DeepSeek V4 Flash 0731DeepSeek: DeepSeek V4.1 Flash 1017
Input /1M$0.44$0.15
Output /1M$1.32$0.6
Cached input /1M$0.014$0.003
Context window1,048,5761,048,576
Max output tokens131,072393,216
Cost @ 10M in + 2M out / mo$7.04$2.7

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 1017.

Frequently asked questions

Which is cheaper, DeepSeek: DeepSeek V4 Flash 0731 or DeepSeek: DeepSeek V4.1 Flash 1017?

DeepSeek: DeepSeek V4.1 Flash 1017 is cheaper on combined list price: $0.75 vs $1.76 per 1M tokens (input + output). At 10M input + 2M output tokens per month, DeepSeek: DeepSeek V4 Flash 0731 costs $7.04 and DeepSeek: DeepSeek V4.1 Flash 1017 costs $2.7.

Which has the larger context window, DeepSeek: DeepSeek V4 Flash 0731 or DeepSeek: DeepSeek V4.1 Flash 1017?

DeepSeek: DeepSeek V4 Flash 0731 has a context window of 1,048,576 tokens; DeepSeek: DeepSeek V4.1 Flash 1017 has 1,048,576 tokens. The larger one is DeepSeek: DeepSeek V4 Flash 0731.

Price snapshot October 21, 2026, refreshed daily.