Home / Compare / DeepSeek V4 Flash 0731 vs Qwen3.8 Max (0902)

DeepSeek V4 Flash 0731 vs Qwen3.8 Max (0902)

For a typical chat reply (2,000 tokens in, 400 out), Qwen3.8 Max (0902) costs 38× as much as DeepSeek V4 Flash 0731: $6.40 against $0.17 per 1,000 requests at list price on 2026-09-28.

DeepSeek V4 Flash 0731Qwen3.8 Max (0902)
Input, per 1M tokens$0.021$2.00
Output, per 1M tokens$0.32$6.00
Context window1.31M1M
Classification or routing (600 tokens in, 10 out), per 1,000$0.0158$1.26
Chat reply (2,000 in, 400 out), per 1,000$0.17$6.40
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$0.328$19.00
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 Qwen3.8 Max (0902), moving that traffic saves 97% 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 Qwen3.8 Max (0902).

DeepSeek V4 Flash 0731 profile · Qwen3.8 Max (0902) profile · Measure it on your traffic