Home / Compare / Gemma 4 31B vs GPT-4.1 Mini

Gemma 4 31B vs GPT-4.1 Mini

For a typical chat reply (2,000 tokens in, 400 out), GPT-4.1 Mini costs 4.6× as much as Gemma 4 31B: $1.44 against $0.316 per 1,000 requests at list price on 2026-09-28.

Gemma 4 31BGPT-4.1 Mini
Input, per 1M tokens$0.09$0.40
Output, per 1M tokens$0.34$1.60
Context window262K1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$0.0574$0.256
Chat reply (2,000 in, 400 out), per 1,000$0.316$1.44
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$0.89$4.00
Confidence signalyesno
Tool callingyesyes
BANKING77, correct of 400304not measured

Which one should carry your traffic?

If Gemma 4 31B answers your requests as well as GPT-4.1 Mini, moving that traffic saves 78% 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 GPT-4.1 Mini.

Gemma 4 31B profile · GPT-4.1 Mini profile · Measure it on your traffic