SFAI / MODEL PROFILE
NVIDIA: Nemotron 3 Ultra (free) (nvidia/nemotron-3-ultra-550b-a55b:free)
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...
- Developer
- nvidia
- Input modalities
- text
- Output modalities
- text
- Context tokens
- 1,000,000
- Latest price observation
- 2026-09-28
- Lowest paired standard token quote
- $0.00 input / $0.00 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| Automatic routingopenrouter | $0.00 | $0.00 | 1M tokensfree · USD | openrouter2026-09-28 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.