Llama 3.1 Nemotron 1 Ultra 253B Reasoning
Llama 3.1 Nemotron 1 Ultra 253B Reasoning is an AI model from NVIDIA. A 253B-parameter reasoning-specialized variant of NVIDIA's Nemotron Ultra, built on Llama 3.1 for complex multi-step inference and agentic workflows.
nvidia-llama-3-1-nemotron-1-ultra-253b-reasoning |
| Active |
| NVIDIA |
Capabilities
Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
Text·
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Llama 3.1 Nemotron 1 Ultra 253B Reasoning | — | — | — | — | Current |
| Llama 3.1 Nemotron 1 Ultra 253B | — | 128K | $0.600 | $1.80 | Available |
Other models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Llama 3.3 70B Instruct | — | 131K | $0.100 | $0.200 | |
| Llama 3.2 3B Instruct | — | 131K | $0.015 | $0.020 | |
| Llama 3.2 1B Instruct | — | 131K | $0.027 | $0.080 | |
| Llama 3.1 405B Instruct | — | 131K | $0.120 | $0.300 | |
| Llama 3.1 70B Instruct | — | 131K | $0.100 | $0.100 | |
| Llama 3.1 8B Instruct | — | 200K | $0.020 | $0.030 | |
| Llama 3.1 70B | — | 128K | $0.600 | $0.600 | |
| Llama 3.1 8B | — | 131K | $0.030 | $0.050 | |
| Llama 3 70B Instruct | — | 131K | $0.120 | $0.300 | |
| Llama 3 8B Instruct | — | 32K | $0.030 | $0.040 |