Home / Compare / Mistral Large 3 2512 vs gpt-oss-120b

Mistral Large 3 2512 vs gpt-oss-120b

For a typical chat reply (2,000 tokens in, 400 out), Mistral Large 3 2512 costs 3.0× as much as gpt-oss-120b: $1.60 against $0.54 per 1,000 requests at list price on 2026-09-28.

Mistral Large 3 2512gpt-oss-120b
Input, per 1M tokens$0.50$0.15
Output, per 1M tokens$1.50$0.60
Context window262K131K
Classification or routing (600 tokens in, 10 out), per 1,000$0.315$0.096
Chat reply (2,000 in, 400 out), per 1,000$1.60$0.54
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$4.75$1.50
Confidence signalnoyes
Tool callingyesyes
BANKING77, correct of 400not measured329

Which one should carry your traffic?

If gpt-oss-120b answers your requests as well as Mistral Large 3 2512, moving that traffic saves 66% on chat-shaped requests. Averages cannot tell you whether it does for your requests. gpt-oss-120b exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to Mistral Large 3 2512.

Mistral Large 3 2512 profile · gpt-oss-120b profile · Measure it on your traffic