Nemotron 3 Ultra (free)
FreeAvailableNVIDIA 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...
- Context
- 1M tokens
- Max output
- 65.5K tokens
- Input / 1M tokens
- Free
- Output / 1M tokens
- Free
- Listed since
- Jun 4, 2026
Prices and model data from OpenRouter
Where it's availableProviders · 1
| Provider | Input / 1M tokens | Output / 1M tokens | Status |
|---|---|---|---|
| OpenRouter | Free | Free | Available |
Published benchmark results
From independent leaderboards, each credited to its publisher.