Model information
Released
2026-06-04
Context window
1M
Max output
128K
Weights
Open
Modalities
Input
Text
Output
Text
Identity
- Version
- nemotron-3-ultra-550b-a55b
- Aliases
- Nemotron 3 Ultra 550B A55B
Resources
Capabilities
Open weightReasoningTemperatureTool call
Official price
input $0.5/M · output $2.5/M
cache read $0.15/M
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| Nvidia | nvidia/nemotron-3-ultra-550b-a55b | custom | 1M | 128K | ReasoningTool callStructuredTemperature | - | input $0.5/M · output $2.5/M cache read $0.15/M | Yes | ||
| Kenari | nemotron-3-ultra-550b-a55b | openai_chat | 1M | 128K | ReasoningTool callTemperature | - | input $0/M · output $0/M | Yes | ||
| UnoRouter | nemotron-3-ultra-550b-a55b:free | openai_chat | 1M | 128K | ReasoningTool callTemperature | - | input $0/M · output $0/M | Yes | ||
| Together AI | nvidia/nemotron-3-ultra-550b-a55b | openai_chat | 1M | 128K | ReasoningTool callStructuredTemperature | - | input $0.6/M · output $3.6/M cache read $0.2/M | Yes | ||
| Vercel AI Gateway | nvidia/nemotron-3-ultra-550b-a55b | openai_chat | 1M | 128K | ReasoningTool callTemperature | - | input $0.6/M · output $2.4/M cache read $0.12/M | Yes | ||
| OpenRouter | nvidia/nemotron-3-ultra-550b-a55b | openai_chat | 1M | 128K | ReasoningTool callStructuredTemperature | Reasoning levels: high, medium, Default reasoning: high, Reasoning supports token budgets, Hugging Face: nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | input $0.6/M · output $3.6/M cache read $0.2/M | Yes | ||
| OpenRouter | nvidia/nemotron-3-ultra-550b-a55b:free | openai_chat | 1M | 128K | ReasoningTool callTemperature | Reasoning levels: high, medium, Default reasoning: high, Reasoning supports token budgets, Hugging Face: nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | input $0/M · output $0/M | Yes | ||
| NanoGPT | nvidia/nemotron-3-ultra-550b-a55b | openai_chat | 1M | 128K | ReasoningTool callTemperature | - | input $0.5/M · output $2.5/M cache read $0.25/M | Yes | ||
| Kilo Gateway | nvidia/nemotron-3-ultra-550b-a55b:free | openai_chat | 1M | 128K | ReasoningTool callTemperature | - | input $0/M · output $0/M | Yes | ||
| Kilo Gateway | nvidia/nemotron-3-ultra-550b-a55b | openai_chat | 1M | 128K | ReasoningTool callStructuredTemperature | - | input $0.5/M · output $2.2/M cache read $0.1/M | Yes |