NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

Nemotron 3 Ultra is built for, frontier reasoning, orchestration, coding agents, deep research, and complex enterprise workflows. It delivers up to 5x faster inference and up to 30% lower cost for agentic workloads while supporting up to 1M token context.

Context
262K
Input price
$1/1M tokens
Output price
$5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming

Details

Model IDnvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
Provider DeepInfra
Creator NVIDIA
Family—
License—
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightYes
Parameters—
Architecture—
Context window262K tokens
Max input—
Max output—
Reasoning tokensYes
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.deepinfra.com/v1/openai/v1/chat/completions

Pricing

Input
$1
Output
$5
Cache write
—
Cache read
$0.3
Batch in
—
Batch out
—

API

GET/v1/models/deepinfra/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

Nemotron 3 Ultra is built for, frontier reasoning, orchestration, coding agents, deep research, and complex enterprise workflows. It delivers up to 5x faster inference and up to 30% lower cost for agentic workloads while supporting up to 1M token context.

Changes · 2 entries
nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16createca7a400Nov 2, 2026, 03:02 AM
nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16createab879c8Jun 18, 2026, 08:32 AM