All Models
Nemotron 3 Ultra 550B A55B
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...
Benchmarks
Available Providers (14)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 Kenari | nemotron-3-ultra-550b-a55b | $0/MTok | $0/MTok | 1M | 128K | |
 UnoRouter | nemotron-3-ultra-550b-a55b:free | $0/MTok | $0/MTok | 1M | 128K | |
 Requesty | nemotron-3-ultra-550b-a55b | $0/MTok | $0/MTok | 1.0M | 65.5K | |
 routing.run | nemotron-3-ultra | $0.10/MTok | $0.10/MTok | 131.1K | 32K | |
 Nvidia | nvidia/nemotron-3-ultra-550b-a55b | $0.50/MTok | $2.50/MTok | 1M | 65.5K | |
 Eden AI | deepinfra/nemotron-3-ultra-550b-a55b | $0.50/MTok | $2.20/MTok | 262.1K | 128K | |
 DevPass (LLM Gateway) | nemotron-3-ultra-550b | $0.50/MTok | $2.20/MTok | 1.0M | 128K | |
 Kilo Gateway | nvidia/nemotron-3-ultra-550b-a55b | $0.50/MTok | $2.20/MTok | 512.3K | 512.3K | |
 Pioneer | nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | $0.50/MTok | $2.50/MTok | 1M | 65K | |
 OpenRouter | nvidia/nemotron-3-ultra-550b-a55b | $0.60/MTok | $3.60/MTok | 512.3K | 16.4K | |
 Together AI | nvidia/nemotron-3-ultra-550b-a55b | $0.60/MTok | $3.60/MTok | 512.3K | 512.3K | |
| Eden AI | together_ai/nvidia/nemotron-3-ultra-550b-a55b | $0.60/MTok | $3.60/MTok | 512.3K | 128K | |
 Fireworks AI | accounts/fireworks/models/nemotron-3-ultra-nvfp4 | $0.60/MTok | $2.40/MTok | 262.1K | 128K | |
| Eden AI | nebius/nvidia/Nemotron-3-Ultra-550b-a55b | $1/MTok | $3/MTok | 1.0M | 128K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output