Home / Compare / Claude Fable 5.1 vs DeepSeek V4 Pro 0423

Claude Fable 5.1 vs DeepSeek V4 Pro 0423

For a typical chat reply (2,000 tokens in, 400 out), Claude Fable 5.1 costs 15× as much as DeepSeek V4 Pro 0423: $40.00 against $2.67 per 1,000 requests at list price on 2026-09-28.

Claude Fable 5.1DeepSeek V4 Pro 0423
Input, per 1M tokens$10.00$0.955
Output, per 1M tokens$50.00$1.91
Context window1M1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$6.50$0.592
Chat reply (2,000 in, 400 out), per 1,000$40.00$2.67
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$105$8.60
Confidence signalnoyes
Tool callingyesyes

Which one should carry your traffic?

If DeepSeek V4 Pro 0423 answers your requests as well as Claude Fable 5.1, moving that traffic saves 93% 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 Fable 5.1.

Claude Fable 5.1 profile · DeepSeek V4 Pro 0423 profile · Measure it on your traffic