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Gemma 4 31B vs GLM 5.3

For a typical chat reply (2,000 tokens in, 400 out), GLM 5.3 costs 7.6× as much as Gemma 4 31B: $2.41 against $0.316 per 1,000 requests at list price on 2026-09-28.

Gemma 4 31BGLM 5.3
Input, per 1M tokens$0.09$0.325
Output, per 1M tokens$0.34$4.40
Context window262K1.31M
Classification or routing (600 tokens in, 10 out), per 1,000$0.0574$0.239
Chat reply (2,000 in, 400 out), per 1,000$0.316$2.41
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$0.89$4.80
Confidence signalyesyes
Tool callingyesyes
BANKING77, correct of 400304not measured

Which one should carry your traffic?

If Gemma 4 31B answers your requests as well as GLM 5.3, moving that traffic saves 87% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Gemma 4 31B exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to GLM 5.3.

Gemma 4 31B profile · GLM 5.3 profile · Measure it on your traffic