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LangMart: Nvidia/llama 3.1 Nemotron Ultra 253b V1

Openrouter
Streaming Vision
131K
Context
$0.6000
Input /1M
$1.80
Output /1M
N/A
Max Output
Run API Call Open in Chat

LangMart: Nvidia/llama 3.1 Nemotron Ultra 253b V1

Model Overview

Property Value
Model ID openrouter/nvidia/llama-3.1-nemotron-ultra-253b-v1
Name Nvidia/llama 3.1 Nemotron Ultra 253b V1
Provider LangMart
Released 2025-12-28

Description

Nvidia/llama 3.1 Nemotron Ultra 253b V1 is a capable language model from LangMart for general-purpose text generation and analysis tasks.

Specifications

Spec Value
Context Window 131,072 tokens
Max Completion Not specified
Modalities Text

Pricing

Type Price
Input $0.6000 per 1M tokens
Output $1.80 per 1M tokens

Capabilities

  • Text Generation: Yes
  • Vision: No
  • Tool Use: No
  • JSON Mode: No
  • Streaming: Yes

Use Cases

  • General text generation
  • Question answering
  • Content creation
  • Analysis and summarization

Integration with LangMart

Gateway Support: Type 2 (Cloud), Type 3 (Self-hosted)

API Usage:

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openrouter/nvidia/llama-3.1-nemotron-ultra-253b-v1",
    "messages": [{"role": "user", "content": "Hello"}],
    "max_tokens": 2048
  }'
  • Variants available on LangMart

Last Updated: 2025-12-28