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Nemotron 3 Ultra

HOT

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...

262K context·$0.50 in·$2.20 out·Jun 2026 release·Reasoning, Tools / functions, Web search

Providers

Where Nemotron 3 Ultra runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.

ServiceModel IDContextInputOutputCache read

nvidia/nemotron-3-ultra-550b-a55b

262K

$0.50

$2.20

$0.10

nvidia/nemotron-3-ultra-550b-a55b:free

1M

Free

Free

-

Together AI

delisted

nvidia/nemotron-3-ultra-550b-a55b

512K

$0.60

$3.60

$0.20

nvidia/nemotron-3-ultra-550b-a55b

1M

Free

Free

-

Usage mix in Big-AGI: NVIDIA 73% · OpenRouter 20% · Community 7%Specs as reported by each service · usage over the last 2 days · refreshed hourly

Run Nemotron 3 Ultra in Big-AGI.

Connect your own key on any of the services above, at their rates, no markup - and run it side by side with every other model.

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