NVIDIA

Nemotron 3 Ultra 550B A55B

Vérifié par l’équipe de recherche de GetInfoUsDernière révision : October 2026Politique éditoriale
Poids lourd open sourceOfficial Source Verified ↗
60
Intelligence Index

de NVIDIA crowning ouvert-weight foundation géant intégrant 550B total paramètres, 1M fenêtre de contexte, et d'avant-garde d'entreprise raisonnement.

Technical Specifications

Provider
NVIDIA
Category
open-source
Release Date
2026-06
Knowledge Cutoff
February 2026
Architecture
Colossal Sparse MoE (550B Total / 55B Active)
Parameters
550B (55B active MoE)
Context Window
1M tokens
Max Output
66K tokens
Cached Input Price
$0.25 / 1M tokens
Batch API Discount
50% off async batch
Consumer Subscription
Free / Self-Hosted
Reasoning Mode
Yes (Chain-of-Thought)
Reasoning Effort Control
Configurable (Low / Med / High)
Tool Calling
Yes
Structured Outputs
Yes
Open Weights
Yes (Open Source / Self-Hostable)
Input Modalities
text
Output Modalities
text
Official Documentation
Visit Official Docs ↗

Data Privacy, Licensing & Deployment Governance

API Data Training Policy
100% Isolated when self-hosted on private GPUs or VPC
Model License & Commercial Rights
Open-Weights Research & Commercial License
Deployment & Cloud Availability
Self-Hosted GPU (vLLM / Ollama), Private VPC, or Managed Serverless API
Output Ownership
Full commercial ownership of generated outputs

Official Provider Release Intelligence, API Quotas & Agentic Specs

Compare Multi-Models Side-by-Side →
Official API Model ID (SDK String)
nemotron-3-ultra-550b-a55b
Supported SDK & API Protocol
OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Lifecycle & Deprecation Status
Active GA (Guaranteed support through 2028+)
Production Rate Limits (RPM & TPM)
Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud
Long-Context Pricing Tier (>128K / >200K)
Flat rate ($1/1M in) across full 1000K window
Prompt Cache Write & TTL Policy
Cached input at $0.25/1M tokens
Computer Use & Browser GUI Agent
API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)
MCP & Parallel Tool Calling
Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & Code Sandbox
Supported via external Tavily/Exa Search & E2B/Docker Sandbox tools
Fine-Tuning & Distillation Support
Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)
Multimodal Tokenization Billing
Text BPE (~4 chars/token)
Weights Precision & Quantization
BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0)
Minimum GPU VRAM Requirement
341 GB VRAM (4-bit Quantized) · 1183 GB VRAM (Native BF16)
Supported Inference Engines
vLLM, SGLang, Ollama, llama.cpp, TensorRT-LLM, HuggingFace TGI
System Card & Safety Framework
Open-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)
Enterprise Compliance (SOC2 / HIPAA / ZDR)
100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control
Engineering & Pricing Workbench

Nemotron 3 Ultra 550B A55B Cost, Context, Hardware & API Integration

500 / day
4,000 tok
1,000 tok
Conversation Depth (History Re-billing):1 Turn (Single-Shot)
50%
Estimated Monthly API Cost (30 Days)
$82.50$105.00
Monthly Savings: $22.50 (Caching/Batch)
Subscription ($20/mo) vs API

For single-user chat, a $20/mo subscription caps your bill below this API volume.

Break-even point: ~121 requests/day equals $20/month.

Same Monthly Workload Cost Across Popular Reference Models

Nemotron 3 Ultra 550B A55B (Active)
$82.50
/ month
Gemini 2.5 Flash
$18.00
/ month
DeepSeek V3
$32.70
/ month
GPT-4o
$300.00
/ month
Claude 3.7 Sonnet
$405.00
/ month

Live Prompt Paste Tokenizer & Cost Counter

Paste real system instructions, JSON schemas, or code to measure BPE token counts across tokenizers.

Chars / Words
175 / 24
OpenAI o200k
~46 tok
Claude BPE
~49 tok
Llama / DeepSeek
~51 tok

Hybrid Prompt Routing Cascade Simulator

Route routine queries to a fast lightweight model ($0.15/1M) and escalate only complex reasoning turns to Nemotron 3 Ultra 550B A55B:

Cascaded Monthly Bill:$34.13/mo
Saves $48.38/mo (59% cost reduction) vs sending 100% of traffic to Nemotron 3 Ultra 550B A55B.

Benchmark Scores & 6-Axis Capability Radar

Benchmark Encyclopedia
Coding (74)Reasoning (87)Knowledge (88)Speed (43)Context (100)Cost Value (84)
Nemotron 3 Ultra 550B A55B2026 Frontier Median
SWE-bench Verified
64.5%
GPQA Diamond
76%
MMLU-Pro
87.5%
HumanEval
95%
Terminal-Bench
53%
AIME
86%
Long-Context Reasoning
89%
Chatbot Arena Elo
1425pts

Strengths

  • massif 550B capacité avec 55B actif inférence offrant de pointe raisonnement profondeur
  • Colossal 1 millions token fenêtre de contexte avec flawless long-range recall
  • à poids ouverts sous permissive license pour souverain national et d'entreprise déploiements

Limitations & Trade-offs

  • nécessite substantiel DGX/H100 multinœud clusters pour auto-hébergement
  • texte-seulement sans natif visuel traitement

Editorial Assessment

le absolute pinnacle de de NVIDIA à poids ouverts LLM engineering, égalant fermé de pointe giants.

Best for: National AI initiatives, souverain defense intelligence, et d'entreprise-wide autonome agent swarms

Frequently Asked Questions about Nemotron 3 Ultra 550B A55B

How much does the Nemotron 3 Ultra 550B A55B API cost per 1M tokens?+

Nemotron 3 Ultra 550B A55B by NVIDIA is priced at $1 per 1M input tokens and $3 per 1M output tokens. With prompt caching enabled, cached input tokens cost $0.25 per 1M tokens, and asynchronous Batch API requests receive a 50% discount.

Should I use a $20/month subscription or the Nemotron 3 Ultra 550B A55B pay-as-you-go API?+

A flat $20/month consumer subscription is predictable for daily interactive chat and manual coding. However, if you are building software, running automated workflows, or sending low-to-moderate volume with prompt caching enabled, the pay-as-you-go API is typically far more cost-effective and offers higher rate limits without manual UI caps.

How many words and pages fit in Nemotron 3 Ultra 550B A55B's context window?+

Nemotron 3 Ultra 550B A55B features a 1M tokens context window, which equals approximately 750,000 English words or ~2,000 standard single-spaced pages in a single prompt. Its maximum output generation per turn is 65,536 tokens.

Can I run Nemotron 3 Ultra 550B A55B locally on my own GPU (Open Weights)?+

Yes, Nemotron 3 Ultra 550B A55B (550B (55B active MoE)) releases open weights that can be self-hosted locally or on private cloud GPUs using vLLM, Ollama, SGLang, or llama.cpp.

Does NVIDIA train on data sent to the Nemotron 3 Ultra 550B A55B API, and is commercial use allowed?+

100% Isolated when self-hosted on private GPUs or VPC. License tier: Open-Weights Research & Commercial License. Full commercial ownership of generated outputs. Supported deployment channels include: Self-Hosted GPU (vLLM / Ollama), Private VPC, or Managed Serverless API.

How does Nemotron 3 Ultra 550B A55B perform on coding and reasoning benchmarks?+

Nemotron 3 Ultra 550B A55B achieves a composite Intelligence Index of 60/100, scoring 64.5% on SWE-bench Verified, 76% on GPQA Diamond, 87.5% on MMLU-Pro, and 1425 pts on Chatbot Arena Elo.

What is Nemotron 3 Ultra 550B A55B best used for?+

Nemotron 3 Ultra 550B A55B is best suited for: National AI initiatives, souverain defense intelligence, et d'entreprise-wide autonome agent swarms. Assessment: le absolute pinnacle de de NVIDIA à poids ouverts LLM engineering, égalant fermé de pointe giants.

Les scores de benchmarks, tarifs par token et limites évoluent rapidement. Vérifiez toujours les spécifications actuelles sur la documentation officielle du fournisseur.

Sources: NVIDIA Computex Keynote & Technical Whitepaper (June 2026)↗