AI model comparison
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Pick up to four models and compare the trade-offs that matter: context, price, API access, weights, inputs, outputs, and use cases.
| Attribute | Llama-3.1-Nemotron-Ultra-253B-v1 NVIDIA |
|---|---|
| Summary | An NVIDIA-tuned Llama model for advanced reasoning and enterprise agent workflows. |
| Best for | Reasoning, enterprise agents, synthetic data, self-hosted research |
| Watch out for | Large hardware requirement and older than Nemotron 3 Ultra. |
| Family | Nemotron |
| Type | Reasoning LLM |
| Status | Open weights |
| Released | 2025-04-08 |
| Context window | 131.1K |
| Max output | Not listed |
| Inputs | Text |
| Outputs | Text |
| Reasoning | Yes |
| Tool calling | Yes / host dependent |
| Structured output | Host dependent |
| API available | NVIDIA NIM and self-hosted |
| Open weights | Yes |
| Self-hostable | Yes |
| License | NVIDIA Open Model License / Llama terms |
| Price | See provider pricing |