Nemotron 3 Ultra

language modelNVIDIA

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...

Key facts

Made byNVIDIA
Typelanguage model
ReleasedJune 4, 2026
Reads at once262,144 tokens
Price (API, per million tokens)$0.6 in · $2.4 out
Input → outputtext → text
Sizes550B

Questions about Nemotron 3 Ultra

Who makes Nemotron 3 Ultra?

Nemotron 3 Ultra is made by NVIDIA.

When was Nemotron 3 Ultra released?

We first saw Nemotron 3 Ultra listed on June 4, 2026.

How much does Nemotron 3 Ultra cost?

Through OpenRouter it costs $0.6 per million input tokens and $2.4 per million output tokens. Prices change, so check the provider before you build on it.

How much text can Nemotron 3 Ultra read at once?

Up to 262,144 tokens, roughly 196.6K words.

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