Home / Compare / Claude Fable 5.1 vs Kimi K3

Claude Fable 5.1 vs Kimi K3

For a typical chat reply (2,000 tokens in, 400 out), Claude Fable 5.1 costs 3.3× as much as Kimi K3: $40.00 against $12.00 per 1,000 requests at list price on 2026-09-28.

Claude Fable 5.1Kimi K3
Input, per 1M tokens$10.00$3.00
Output, per 1M tokens$50.00$15.00
Context window1M1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$6.50$1.95
Chat reply (2,000 in, 400 out), per 1,000$40.00$12.00
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$105$31.50
Confidence signalnoyes
Tool callingyesyes

Which one should carry your traffic?

If Kimi K3 answers your requests as well as Claude Fable 5.1, moving that traffic saves 70% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Kimi K3 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 · Kimi K3 profile · Measure it on your traffic