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Mistral Large 3 2512 vs GLM 5.3

For a typical chat reply (2,000 tokens in, 400 out), GLM 5.3 costs 1.5× as much as Mistral Large 3 2512: $2.41 against $1.60 per 1,000 requests at list price on 2026-09-28.

Mistral Large 3 2512GLM 5.3
Input, per 1M tokens$0.50$0.325
Output, per 1M tokens$1.50$4.40
Context window262K1.31M
Classification or routing (600 tokens in, 10 out), per 1,000$0.315$0.239
Chat reply (2,000 in, 400 out), per 1,000$1.60$2.41
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$4.75$4.80
Confidence signalnoyes
Tool callingyesyes

Which one should carry your traffic?

If Mistral Large 3 2512 answers your requests as well as GLM 5.3, moving that traffic saves 34% 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.

Mistral Large 3 2512 profile · GLM 5.3 profile · Measure it on your traffic