Llama 3.1 Nemotron Ultra 253B API
About
Process massive datasets with Llama 3.1 Nemotron Ultra 253B, featuring an expansive 128K context window for long-document analysis. This model delivers cost-effective pricing at $0.60/1M input and $1.80/1M output tokens, open weights architecture. Access Llama 3.1 Nemotron Ultra 253B via the LLM Gateway API with up to 16K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
No
Structured Output
Yes
Tool Use
No
WeightsOpen
Limits
Context Window
128K
Tokens
Input Limit
128K
Tokens
Max Output
16K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.60
Output
$1.80
Frequently Asked Questions
Llama 3.1 Nemotron Ultra 253B by LLM Gateway costs $0.60 per 1M input tokens and $1.80 per 1M output tokens.
Model Details
ID
llama-3.1-nemotron-ultra-253b
Provider
LLM GatewayFamily
llama
Release Date
Apr 7, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1