Home / Compare / Claude Sonnet 5 vs Mistral Large 3 2512

Claude Sonnet 5 vs Mistral Large 3 2512

For a typical chat reply (2,000 tokens in, 400 out), Claude Sonnet 5 costs 5.0× as much as Mistral Large 3 2512: $8.00 against $1.60 per 1,000 requests at list price on 2026-09-28.

Claude Sonnet 5Mistral Large 3 2512
Input, per 1M tokens$2.00$0.50
Output, per 1M tokens$10.00$1.50
Context window1M262K
Classification or routing (600 tokens in, 10 out), per 1,000$1.30$0.315
Chat reply (2,000 in, 400 out), per 1,000$8.00$1.60
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$21.00$4.75
Confidence signalnono
Tool callingyesyes
BANKING77, correct of 400308not measured

Which one should carry your traffic?

If Mistral Large 3 2512 answers your requests as well as Claude Sonnet 5, moving that traffic saves 80% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Mistral Large 3 2512 does not expose a confidence signal through OpenRouter, so Gimbix would test it as a full replacement rather than a first answer.

Claude Sonnet 5 profile · Mistral Large 3 2512 profile · Measure it on your traffic