Models · NVIDIA
Nemotron 3 Ultra (free)
Released 4 Jun 2026Tool useReasoningFree
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
InputFreeper 1M tokens
OutputFreeper 1M tokens
Context1Mtokens it can read at once
Max output66Ktokens per reply
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