Models.dev

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Nemotron 3 Ultra 550B A55B

Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy

nvidia/nemotron-3-ultra-550b-a55b
Lab
Nvidia
Family
nemotron
Providers
14
Context
1,000,000
Output limit
128,000
Knowledge
-
Release
2026-06-04
Updated
2026-06-04
Weights
Open
Input
Output types
Capabilities
tools, reasoning, temperature

Providers

14
Provider Lab Model ID Context Output Price Reasoning Tool Call Structured Temperature
BasetenNvidianvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B202,800202,800$0.60 / $2.40YesYesYesYes
LLM GatewayNvidianemotron-3-ultra-550b262,144128,000$0.50 / $2.50YesYes-Yes
NvidiaNvidianvidia/nemotron-3-ultra-550b-a55b1,000,00065,536$0.50 / $2.50YesYesYesYes
Ollama CloudNvidianemotron-3-ultra262,144128,000-YesYes-Yes
OpenCode ZenNvidianemotron-3-ultra-free1,000,000128,000$0.00 / $0.00YesYes-Yes
OpenRouterNvidianvidia/nemotron-3-ultra-550b-a55b:free1,000,00065,536$0.00 / $0.00YesYesNoYes
OpenRouterNvidianvidia/nemotron-3-ultra-550b-a55b1,000,00016,384$0.60 / $3.60YesYesYesYes
PioneerNvidianvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF161,000,00065,000$0.50 / $2.50YesYes-Yes
routing.runNvidianemotron-3-ultra131,07232,000$0.10 / $0.10YesYes-Yes
Together AINvidianvidia/nemotron-3-ultra-550b-a55b512,300512,300$0.60 / $3.60YesYesYesYes
UnoRouterNvidianemotron-3-ultra-550b-a55b:free1,000,000128,000$0.00 / $0.00YesYes-Yes
Venice AINvidianvidia-nemotron-3-ultra-550b-a55b256,00032,768$0.63 / $3.13YesYesYesYes
Vercel AI GatewayNvidianvidia/nemotron-3-ultra-550b-a55b1,000,00065,000$0.60 / $2.40YesYes-Yes
Weights & BiasesNvidianvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B262,144262,144$0.75 / $2.75YesYesYesYes
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