Home / Compare / DeepSeek V4.1 Flash vs Mistral Small 4

DeepSeek V4.1 Flash vs Mistral Small 4

For a typical chat reply (2,000 tokens in, 400 out), Mistral Small 4 costs 1.8× as much as DeepSeek V4.1 Flash: $0.54 against $0.299 per 1,000 requests at list price on 2026-09-28.

DeepSeek V4.1 FlashMistral Small 4
Input, per 1M tokens$0.0295$0.15
Output, per 1M tokens$0.60$0.60
Context window1.05M262K
Classification or routing (600 tokens in, 10 out), per 1,000$0.0237$0.096
Chat reply (2,000 in, 400 out), per 1,000$0.299$0.54
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$0.536$1.50
Confidence signalyesno
Tool callingyesyes
BANKING77, correct of 400316not measured

Which one should carry your traffic?

If DeepSeek V4.1 Flash answers your requests as well as Mistral Small 4, moving that traffic saves 45% on chat-shaped requests. Averages cannot tell you whether it does for your requests. DeepSeek V4.1 Flash exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to Mistral Small 4.

DeepSeek V4.1 Flash profile · Mistral Small 4 profile · Measure it on your traffic