Nemotron 3 Ultra 550B A55B

nemotron

Thinking Machines · nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16:peft:262144

Capabilities

Tool CallYes

ReasoningYes

Structured OutputNo

Temperature ControlYes

AttachmentsNo

Open WeightsYes

Input

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Output

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Input$1.80

Output$6.22

Cache Read$0.36

Direct installation coming soon — March 2026

ProviderThinking Machines

Model IDnvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16:peft:262144

Familynemotron

Knowledge Cutoff2025-09

Release Date2026-06-04

Last Updated2026-06-04