Home / Compare / DeepSeek V4 Pro 0423 vs Gemini 3.8 Flash

DeepSeek V4 Pro 0423 vs Gemini 3.8 Flash

For a typical chat reply (2,000 tokens in, 400 out), Gemini 3.8 Flash costs 1.1× as much as DeepSeek V4 Pro 0423: $3.00 against $2.67 per 1,000 requests at list price on 2026-09-28.

DeepSeek V4 Pro 0423Gemini 3.8 Flash
Input, per 1M tokens$0.955$0.75
Output, per 1M tokens$1.91$3.75
Context window1.05M1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$0.592$0.487
Chat reply (2,000 in, 400 out), per 1,000$2.67$3.00
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$8.60$7.88
Confidence signalyesno
Tool callingyesyes
BANKING77, correct of 400not measured331

Which one should carry your traffic?

If DeepSeek V4 Pro 0423 answers your requests as well as Gemini 3.8 Flash, moving that traffic saves 11% on chat-shaped requests. Averages cannot tell you whether it does for your requests. DeepSeek V4 Pro 0423 exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to Gemini 3.8 Flash.

DeepSeek V4 Pro 0423 profile · Gemini 3.8 Flash profile · Measure it on your traffic