Nemotron 3 Ultra 550B A55B
Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
nvidia/nemotron-3-ultra-550b-a55b- Lab
- Nvidia
- Family
- nemotron
- Providers
- 31
- Context
- 1,000,000
- Output limit
- 128,000
- Knowledge
- 2025-09
- Release
- 2026-06-04
- Updated
- 2026-06-04
- Weights
- Open
- Input
- Output types
- Capabilities
- tools, reasoning, temperature
Providers
31| AIHubMix | Nvidia | nemotron-3-ultra-550b-a55b-free | 1,000,000 | 128,000 | $0.00 / $0.00 | Yes | Yes | - | Yes |
|---|---|---|---|---|---|---|---|---|---|
| Baseten | Nvidia | nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B | 202,800 | 202,800 | $0.60 / $2.40 | Yes | Yes | Yes | Yes |
| Bothub | Nvidia | nemotron-3-ultra-550b-a55b:free | 1,000,000 | 128,000 | $0.00 / $0.00 | Yes | Yes | - | Yes |
| CommandCode | Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 1,000,000 | 128,000 | $0.60 / $2.40 | Yes | Yes | - | Yes |
| CoreWeave | Nvidia | nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B | 262,144 | 262,144 | $0.50 / $2.15 | Yes | Yes | Yes | Yes |
| DevPass (LLM Gateway) | Nvidia | nemotron-3-ultra-550b | 1,048,576 | 128,000 | $0.50 / $2.20 | Yes | Yes | No | Yes |
| DigitalOcean | Nvidia | nemotron-3-ultra-550b | 131,072 | 131,072 | $0.90 / $1.70 | No | Yes | - | Yes |
| Eden AI | Nvidia | arkanecloud/nvidia/nemotron-3-ultra-550b-a55b | 512,288 | 128,000 | $0.60 / $3.50 | Yes | Yes | No | Yes |
| Eden AI | Nvidia | deepinfra/nemotron-3-ultra-550b-a55b | 262,144 | 128,000 | $0.50 / $2.20 | Yes | Yes | Yes | Yes |
| Eden AI | Nvidia | nebius/nvidia/Nemotron-3-Ultra-550b-a55b | 1,048,576 | 128,000 | $1.00 / $3.00 | Yes | Yes | No | Yes |
| Fireworks AI | Nvidia | accounts/fireworks/models/nemotron-3-ultra-nvfp4 | 262,144 | 128,000 | $0.60 / $2.40 | Yes | Yes | Yes | Yes |
| Kenari | Nvidia | nemotron-3-ultra-550b-a55b | 1,000,000 | 128,000 | $0.6857 / $4.2857 | Yes | Yes | - | Yes |
| Kilo Gateway | Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 202,800 | 182,520 | $0.40 / $1.76 | Yes | Yes | Yes | Yes |
| Kilo Gateway | Nvidia | nvidia/nemotron-3-ultra-550b-a55b:free | 1,000,000 | 65,536 | $0.00 / $0.00 | Yes | Yes | No | Yes |
| NanoGPT | Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 1,000,000 | 65,536 | $0.50 / $2.50 | Yes | Yes | No | Yes |
| NanoGPT | Nvidia | nvidia/nemotron-3-ultra-550b-a55b:thinking | 1,000,000 | 65,536 | $0.50 / $2.50 | Yes | Yes | No | Yes |
| Nebius Token Factory | Nvidia | nvidia/Nemotron-3-Ultra-550b-a55b | 1,048,576 | 1,048,576 | $1.00 / $3.00 | Yes | Yes | - | Yes |
| Nvidia | Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 1,000,000 | 65,536 | $0.00 / $0.00 | Yes | Yes | Yes | Yes |
| Ollama Cloud | Nvidia | nemotron-3-ultra | 262,144 | 128,000 | $0.10 / $3.00 | Yes | Yes | No | Yes |
| OpenCode | Nvidia | nemotron-3-ultra-free | 1,000,000 | 128,000 | $0.00 / $0.00 | Yes | Yes | - | Yes |
| OpenRouter | Nvidia | nvidia/nemotron-3-ultra-550b-a55b:free | 1,000,000 | 65,536 | $0.00 / $0.00 | Yes | Yes | No | Yes |
| OpenRouter | Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 262,144 | 182,520 | $0.60 / $2.40 | Yes | Yes | Yes | Yes |
| Requesty | Nvidia | nemotron-3-ultra-550b-a55b | 1,048,576 | 65,536 | $0.00 / $0.00 | Yes | Yes | No | Yes |
| Requesty | Nvidia | nvidia-nemotron-3-ultra | 262,144 | 131,072 | $0.50 / $2.50 | Yes | No | No | Yes |
| routing.run | Nvidia | nemotron-3-ultra | 131,072 | 32,000 | $0.10 / $0.10 | Yes | Yes | - | Yes |
| Thinking Machines | Nvidia | nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16:peft:262144 | 262,144 | 262,144 | $1.80 / $6.225 | Yes | Yes | - | Yes |
| Thinking Machines | Nvidia | nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | 65,536 | 65,536 | $1.80 / $6.225 | Yes | Yes | - | Yes |
| Together AI | Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 512,300 | 512,300 | $0.60 / $3.60 | Yes | Yes | Yes | Yes |
| UnoRouter | Nvidia | nemotron-3-ultra-550b-a55b:free | 1,000,000 | 128,000 | $0.00 / $0.00 | Yes | Yes | - | Yes |
| Venice AI | Nvidia | nvidia-nemotron-3-ultra-550b-a55b | 256,000 | 32,768 | $0.625 / $3.125 | Yes | Yes | Yes | Yes |
| Vercel AI Gateway | Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 1,000,000 | 65,000 | $0.60 / $2.40 | Yes | Yes | - | Yes |
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