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ModelActiveOpen weights

llama-3-1-nemotron-ultra-253b-v1-reasoning

NVIDIA

quality44

Updated 1 h ago · first seen 11 Sept 2026

model_01M29A5B8FNYRJR3ZSH22TA9E2

Context
128K tokens
T2 · 1 h ago

Specification

Openness
open-weights

Source:Artificial AnalysisT2observed 1 h agomedium

Context window
128K tokens

Source:Artificial AnalysisT2observed 1 h agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

3

Source tiers

T23

Freshest observation

1 h ago

Conflicts

None