Home / Compare / Claude Sonnet 5 vs DeepSeek V4 Pro 0423

Claude Sonnet 5 vs DeepSeek V4 Pro 0423

For a typical chat reply (2,000 tokens in, 400 out), Claude Sonnet 5 costs 3.0× as much as DeepSeek V4 Pro 0423: $8.00 against $2.67 per 1,000 requests at list price on 2026-09-28.

Claude Sonnet 5DeepSeek V4 Pro 0423
Input, per 1M tokens$2.00$0.955
Output, per 1M tokens$10.00$1.91
Context window1M1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$1.30$0.592
Chat reply (2,000 in, 400 out), per 1,000$8.00$2.67
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$21.00$8.60
Confidence signalnoyes
Tool callingyesyes
BANKING77, correct of 400308not measured

Which one should carry your traffic?

If DeepSeek V4 Pro 0423 answers your requests as well as Claude Sonnet 5, moving that traffic saves 67% 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 Claude Sonnet 5.

Claude Sonnet 5 profile · DeepSeek V4 Pro 0423 profile · Measure it on your traffic