NVIDIA-Nemotron-Nano-9B-v2-Japanese: benchmark results

NVIDIA's Nemotron Nano 9B v2 Japanese, a hybrid Mamba-2/attention model further trained from NVIDIA-Nemotron-Nano-9B-v2 for Japanese, with toggleable reasoning traces controlled by system prompt. Provider: NVIDIA. Released 2026-02-17. Access: Open.

Aggregate Rating 1542 ± 17, rank #634 of 1635 rated models, from 138 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
Nejumi 4 - BFCL - Live AST74.07Accuracy (%)89.9
Nejumi 4 - ALT - Bias93.44Score (%)88.6
Swallow - English MT-Bench - Math98.7Judge Score (normalized, %)81.3
Nejumi 4 - Toxicity - Violation Categories48.41Criteria met (%)78.8
Swallow - Japanese MT-Bench - Math97.8Judge Score (normalized, %)76.9
Nejumi 4 - HalluLens96Hallucination resistance (%)76
Nejumi 4 - BFCL - Irrelevance Detection86.67Accuracy (%)68.4
Nejumi 4 - GLP - Function Calling64.94Score (%)68
Swallow - English MT-Bench - Writing73.7Judge Score (normalized, %)66.4
Nejumi 4 - jaster (0-shot) - JSICK81Exact match (%)66.3
Swallow - English MT-Bench - Reasoning83.5Judge Score (normalized, %)62.7
Swallow - Post-trained Japanese - PolyMath High and Top39.6Accuracy (%)59.7

Interactive version: theaggregate.ai/model?slug=nvidia-nemotron-nano-9b-v2-japanese · How It Works · Data refreshed daily, snapshot 2026-11-05.