Home / Compare / DeepSeek V4 Flash 0731 vs Hy4 preview

DeepSeek V4 Flash 0731 vs Hy4 preview

For a typical chat reply (2,000 tokens in, 400 out), Hy4 preview 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 0731Hy4 preview
Input, per 1M tokens$0.021$0.834
Output, per 1M tokens$0.32$2.50
Context window1.31M1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$0.0158$0.525
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$7.92
Confidence signalyesno
Tool callingyesyes
BANKING77, correct of 400298not measured

Which one should carry your traffic?

If DeepSeek V4 Flash 0731 answers your requests as well as Hy4 preview, 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 Hy4 preview.

DeepSeek V4 Flash 0731 profile · Hy4 preview profile · Measure it on your traffic