Llama 3.1 Nemotron 1 Ultra 253B
Llama 3.1 Nemotron 1 Ultra 253B is NVIDIA's language model with a 128K context window, starting at $0.600 / 1M input and $1.80 / 1M output. A 253B-parameter ultra-scale LLM fine-tuned by NVIDIA on Llama 3.1, optimized for advanced reasoning and high-accuracy agentic tasks.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities1/13
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·
Pricing by Provider
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
 Nebius | $0.600 | $1.80 |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Llama 3.1 Nemotron 1 Ultra 253B | — | 128K | $0.600 | $1.80 | Current |
| Llama 3.1 Nemotron 1 Ultra 253B Reasoning | — | — | — | — | 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 |