Nvidia
NVIDIA: Nemotron 3 Ultra (free)
nvidia/nemotron-3-ultra-550b-a55b:free
Input / M
Output / M
Context
Max Output
66K
Usage
Unranked
Quality
Unscored
Providers
1
Best Uptime 30m
99.59%
Released
Jun 4, 2026
Modalities
text
About
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...
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
Providers · 1
Per-provider pricing, uptime
| Provider | Input/M | Output/M | Context | Max Out | Quant | Uptime 30m |
|---|---|---|---|---|---|---|
| NvidiaRecommended Nvidia | nvidia/nemotron-3-ultra-550b-a55b-20260604:free | Free | Free | 1.0M | 66K | unknown | 99.59% |
Performance History
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Price History
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First seen 3d ago · Last verified 6m ago