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Field
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Nemotron 3 Ultra 550B A55B
nvidia/nemotron-3-ultra-550b-a55b
OrganizationNVIDIA
FamilyNemotron
Released2026-06-04
Context window1M
Max output128K
Modalities
TextInputTextOutput
ProvidersNvidia, Kenari, UnoRouter, Together AI, Vercel AI Gateway, OpenRouter, NanoGPT, Kilo Gateway
WeightsOpen
Attachments-
Reasoning
Native
Parameters: reasoning, include_reasoning, reasoning_effort
Tool call
Native
Parameters: tools, tool_choice
Structured-
Temperature
Native
Parameters: temperature
Open weight
Native
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