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...
17 providers
Model catalog
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...
13 providers
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| NVIDIA: Nemotron 3 Ultranvidia/nemotron-3-ultra-550b-a55b | NVIDIA |
70.7 | 202.8K | $0.6 | $2.4 | 2026-06-04 | ||
| NVIDIA: Nemotron 3.5 Lightningnvidia/nemotron-3.5-lightning | NVIDIA |
51.6 | 262.144K | $0.07 | $0.2 | 2026-08-11 |