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by Nvidia

NVIDIA-Nemotron-3-Ultra-550B-A55B.

multimodal open weights 262K ctx
Cheapest input
$0.5/M
on DeepInfra
Cheapest output
$2.5/M
on DeepInfra
Hosted equiv.
~$0.9/hr
@ 100 tok/s on DeepInfra

Nemotron 3 Ultra is built for, frontier reasoning, orchestration, coding agents, deep research, and complex enterprise workflows. It delivers up to 5x faster inference and up to 30% lower cost for agentic workloads while

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
DeepInfra hosted inference $0.5 $2.5 Launch ↗
FAQ

Frequently asked.

How do I run NVIDIA-Nemotron-3-Ultra-550B-A55B?
NVIDIA-Nemotron-3-Ultra-550B-A55B is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access NVIDIA-Nemotron-3-Ultra-550B-A55B?
NVIDIA-Nemotron-3-Ultra-550B-A55B is available via DeepInfra. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run NVIDIA-Nemotron-3-Ultra-550B-A55B?
API pricing starts at $0.5/M input tokens and $2.5/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is NVIDIA-Nemotron-3-Ultra-550B-A55B open-source or proprietary?
NVIDIA-Nemotron-3-Ultra-550B-A55B is open-weight under the license. You can download and self-host it.