Llama 3.1 Nemotron Ultra 253B v1

Llama 3.1 Nemotron Ultra 253B v1 by NVIDIA excels in the Coding category, where it ranks #236 with a composite score of 58/100. Llama-3.1-Nemotron-Ultra-253B-v1 is a large language model (LLM) optimized for advanced reasoning, human-interactive chat, retrieval-augmented generation (RAG), and tool-calling tasks. Derived from Meta’s Llama-3.1-405B-Instruct, it has been significantly customized using Neural Architecture Search (NAS), resulting in enhanced efficiency, reduced memory usage, and improved inference latency. The model supports a context length of up to 128K tokens and can operate efficiently on an 8x NVIDIA H100 node. Note: you must include `detailed thinking on` in the system prompt to enable reasoning. Please see [Usage Recommendations](https://huggingface.co/nvidia/Llama-3_1-Nemotron-Ultra-253B-v1#quick-start-and-usage-recommendations) for more. It is particularly strong in areas highlighted by its top benchmark performance and adoption metrics, making it suitable for both individual developers and enterprise teams looking for a reliable coding solution.

Llama 3.1 Nemotron Ultra 253B v1 is priced at $0.60 per million input tokens and $1.80 per million output tokens (USD). Contact the provider for volume discounts and enterprise pricing. Pricing is competitive within the coding category and reflects the model's quality-to-cost ratio.

In the Coding category, Llama 3.1 Nemotron Ultra 253B v1 holds rank #236 out of 6 models tracked. Its quality rank is #236 and adoption rank is #236. You can use our comparison tool at /compare to see detailed side-by-side metrics with specific alternatives. Key differentiators include its composite scoring across benchmarks, community sentiment, and real-world adoption rates.

Llama 3.1 Nemotron Ultra 253B v1 has been evaluated across 5 different signals. Its strongest areas include Capabilities (50/100), Pricing (2/100), Context Window (81/100). These scores are derived from industry-standard benchmarks, community ratings, and real-world performance metrics. The composite score of 58/100 reflects a weighted combination of all tracked signals.

Llama 3.1 Nemotron Ultra 253B v1 is a paid model, though some providers may offer trial credits or limited free tiers for evaluation. Check NVIDIA's website for current free tier availability and promotional offers.