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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.
—70B
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.
1M128k
These models have no shared benchmark scores.
Overview
CompanyAnthropicNVIDIA
Release dateJun 9 2026Oct 15 2024
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Claude Mythos 5 and Llama 3.1 Nemotron 70B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Llama 3.1 Nemotron 70B shipped 602 days before Claude Mythos 5, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Claude Mythos 5) vs 128k (Llama 3.1 Nemotron 70B). Claude Mythos 5 is closed, while Llama 3.1 Nemotron 70B is open weight.

Direct benchmark comparisons are unavailable — Claude Mythos 5 and Llama 3.1 Nemotron 70B don't publish scores on any of the same benchmarks.