Home / Compare / Claude Opus 5 vs Ministral 3 8B 2512

Claude Opus 5 vs Ministral 3 8B 2512

For a typical chat reply (2,000 tokens in, 400 out), Claude Opus 5 costs 56× as much as Ministral 3 8B 2512: $20.00 against $0.36 per 1,000 requests at list price on 2026-09-28.

Claude Opus 5Ministral 3 8B 2512
Input, per 1M tokens$5.00$0.15
Output, per 1M tokens$25.00$0.15
Context window1M262K
Classification or routing (600 tokens in, 10 out), per 1,000$3.25$0.0915
Chat reply (2,000 in, 400 out), per 1,000$20.00$0.36
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$52.50$1.27
Confidence signalnono
Tool callingyesyes

Which one should carry your traffic?

If Ministral 3 8B 2512 answers your requests as well as Claude Opus 5, moving that traffic saves 98% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Ministral 3 8B 2512 does not expose a confidence signal through OpenRouter, so Gimbix would test it as a full replacement rather than a first answer.

Claude Opus 5 profile · Ministral 3 8B 2512 profile · Measure it on your traffic