Home / Compare / DeepSeek V4 Flash 0731 vs DeepSeek V4 Pro 0423

DeepSeek V4 Flash 0731 vs DeepSeek V4 Pro 0423

For a typical chat reply (2,000 tokens in, 400 out), DeepSeek V4 Pro 0423 costs 16× as much as DeepSeek V4 Flash 0731: $2.67 against $0.17 per 1,000 requests at list price on 2026-09-28.

DeepSeek V4 Flash 0731DeepSeek V4 Pro 0423
Input, per 1M tokens$0.021$0.955
Output, per 1M tokens$0.32$1.91
Context window1.31M1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$0.0158$0.592
Chat reply (2,000 in, 400 out), per 1,000$0.17$2.67
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$0.328$8.60
Confidence signalyesyes
Tool callingyesyes
BANKING77, correct of 400298not measured

Which one should carry your traffic?

If DeepSeek V4 Flash 0731 answers your requests as well as DeepSeek V4 Pro 0423, moving that traffic saves 94% on chat-shaped requests. Averages cannot tell you whether it does for your requests. DeepSeek V4 Flash 0731 exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to DeepSeek V4 Pro 0423.

DeepSeek V4 Flash 0731 profile · DeepSeek V4 Pro 0423 profile · Measure it on your traffic