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Specifications
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality.
—3B
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
200k128k
These models have no shared benchmark scores.
Overview
CompanyAnthropicMistral
Release dateMay 22 2025Oct 16 2024
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Claude Opus 4 and Ministral 3B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Ministral 3B shipped 218 days before Claude Opus 4, so benchmark comparisons should account for the intervening progress.

Context windows are 200k (Claude Opus 4) vs 128k (Ministral 3B). Claude Opus 4 is closed, while Ministral 3B is open weight.

Direct benchmark comparisons are unavailable — Claude Opus 4 and Ministral 3B don't publish scores on any of the same benchmarks.