Nemotron 3 Ultra 550B (Nebius AI) API
About
Build advanced reasoning agents with Nemotron 3 Ultra 550B (Nebius AI), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $1.00/1M input and $3.00/1M output tokens, native tool calling support. Access Nemotron 3 Ultra 550B (Nebius AI) via the LLM Gateway API with up to 1.0M output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
1.0M
Tokens
Pricing
Standard (per 1M tokens)
Input
$1.00
Output
$3.00
Frequently Asked Questions
Nemotron 3 Ultra 550B (Nebius AI) by LLM Gateway costs $1.00 per 1M input tokens and $3.00 per 1M output tokens.
Model Details
ID
nebius/nemotron-3-ultra-550b
Provider
LLM GatewayFamily
nemotron
Release Date
Jun 1, 2026
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