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- Nemotron 3 Ultra (Free)NVIDIARemove
| Attribute | Nemotron 3 Ultra (Free)nemotron-3-ultra-550b-a55b:free |
|---|---|
| Pricing | |
| Input | $0 / 1M |
| Output | $0 / 1M |
| Cache Write | $0 / 1M |
| Cache Read | $0 / 1M |
| Context | |
| Max context | 1M |
| Max output | N/A |
| Capabilities | |
| Vision | Yes |
| Function Calling | Yes |
| JSON Mode | Yes |
| Streaming | Yes |
| Catalogue | |
| Provider | NVIDIA |
| Category | chat |
| Charge type | Free |
| Released | — |
| Description | |
| Summary | NVIDIA Nemotron 3 Ultra is an open frontier reasoning and orchestration model featuring a 550B-parameter Mixture-of-Experts (MoE) architecture with 55B active parameters per token. Built on a hybrid Transformer–Mamba design, it supports text input and output with a 1M-token context window, enabling large-scale reasoning and long-horizon task execution. Optimized for agent orchestration, coding agents, deep research, and complex enterprise workflows, the model excels at multi-step reasoning, planning, and sustained execution. With high-throughput inference designed for large-scale agent pipelines, Nemotron 3 Ultra serves as a powerful foundation for advanced agentic AI systems. |