Intelligence index
Outperforms 63% of compared models

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it supports text input and output with a context window of up to 1M tokens. It is suited for long-running agentic workflows, including agent orchestration, coding agents, deep research, and complex enterprise tasks.
It is particularly strong at multi-step reasoning and planning, with high-throughput inference designed for high-volume agent pipelines. It is part of the NVIDIA Nemotron family of open models for agentic AI.
Outperforms 63% of compared models
Outperforms 52% of compared models
Outperforms 54% of compared models
Elo scores and win rates across design and agent tasks.
1098Elo
Win rate 37.3%
1067Elo
Win rate 32.3%
1127Elo
Win rate 38.1%
1139Elo
Win rate 36%
1136Elo
Win rate 35.9%
1144Elo
Win rate 37.6%
1145Elo
Win rate 36%
1144Elo
Win rate 35.2%