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Llama 3.1 Nemotron 1 Ultra 253B

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Llama 3.1 Nemotron 1 Ultra 253B is NVIDIA's language model with a 128K context window, starting at $0.6 / 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.
Specifications
Canonical IDnvidia-llama-3-1-nemotron-1-ultra-253b
TypeLanguage
StatusActive
CreatorNVIDIANVIDIA
Providers
Context Window128K tokens
Input ModalitiesText
Output ModalitiesText
Parameters253B

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

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Nebius logo
Nebius
nebius/nvidia/Llama-3.1-Nemotron-Ultra-253B-v1
$0.6$1.80

Cost Calculator

US Dollar ($)
Preset:

Cheapest Instances to Run It

Cloud GPU instances that can host Llama 3.1 Nemotron 1 Ultra 253B, ranked by cheapest on-demand price. The model needs about 607 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.

All clouds
FP16 (full precision)
US Dollar ($)
Instance
Cloud
GPU
VRAM
Price
Cheapest region
p4de.24xlargeAWS8× A100640 GB$27.45/hrus-east-1
Standard_ND96amsr_A100_v4Azure8× NVIDIA A100 (80GB)640 GB$32.77/hrwestus2
g7e.48xlargeAWS8× RTX PRO Server 6000768 GB$33.14/hrus-east-1
7 more instances can run Llama 3.1 Nemotron 1 Ultra 253B
Unlock the full ranked list and FP8 / INT4 quantization with a CloudPrice subscription.

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Llama 3.1 Nemotron 1 Ultra 253B—128K$0.600$1.80Current
Llama 3.1 Nemotron 1 Ultra 253B Reasoning————Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Llama 3.3 70B Instruct—131K$0.120$0.200
Llama 3.2 3B Instruct—131K$0.015$0.020
Llama 3.2 1B Instruct—131K$0.027$0.080
Llama 3.2 11B—128K$0.160$0.160
Llama 3.1 405B Instruct—131K$0.120$0.300
Llama 3.1 8B Instruct—200K$0.020$0.030
Llama 3.1 70B Instruct—131K$0.120$0.300
Llama 3.1 70B—128K$0.360$0.360
Llama 3.1 8B—131K$0.030$0.050
Llama 3 70B Instruct—131K$0.120$0.300

Model IDs

llama-3-1-nemotron-ultra-253b-v1-reasoning
nebius/nvidia/Llama-3.1-Nemotron-Ultra-253B-v1
nvidia-llama-3-1-nemotron-1-ultra-253b