Compare AI models

Specifications
Parameters
—550B
API pricing
Cheapest input
$0.50DeepInfra$0.50DeepInfra
Cheapest output
$2.15DeepInfra$2.20DeepInfra
Benchmarks
BullshitBench v2
8%49%
Overview
CompanyDeepSeekNVIDIA
Release dateMay 28 2025Jun 4 2026
AccessOpen WeightOpen Source
Model detailsView modelView model

Frequently asked questions

Nemotron 3 Ultra leads DeepSeek R1-0528 on 1 of the 1 benchmark they both report (BullshitBench v2). DeepSeek R1-0528 shipped 372 days before Nemotron 3 Ultra, so benchmark comparisons should account for the intervening progress.

DeepSeek R1-0528 is open weight, while Nemotron 3 Ultra is open source.

On BullshitBench v2, Nemotron 3 Ultra leads at 49% vs DeepSeek R1-0528 at 8%.