NvidiaLlama 3.1 Nemotron Ultra 253B model ID, context window & pricing
nemotron
Quick facts
Model ID nvidia/llama-3.1-nemotron-ultra-253b-v1
Source Nvidia
Context Window 128000
Pricing -
Capabilities tool calling, reasoning, temperature control, open weights
Model overview
Llama 3.1 Nemotron Ultra 253B is an AI model from Nvidia with 128000 token context window and text input support.
Public token pricing is not listed for this model in the current catalog source.
- Workloads that use text inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID nvidia/llama-3.1-nemotron-ultra-253b-v1
Provider Nvidia
Family nemotron
Status -
Knowledge Cutoff -
Release Date 2025-04-07
Input Modalities text
Output Modalities text
Context Window 128000
Input Limit -
Output Limit 16384
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens -
Output Cost / 1M tokens -
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -