Compare AI models

Specifications
Parameters
—550B
API pricing
Cheapest input
$0.0182Relace$0.50DeepInfra
Cheapest output
$0.1652StreamLake$2.20DeepInfra
Benchmarks
BullshitBench v2
18%49%
GPQA Diamond
88.1%86.7%
Overview
CompanyDeepSeekNVIDIA
Release dateApr 24 2026Jun 4 2026
AccessOpen WeightOpen Source
Model detailsView modelView model

Frequently asked questions

DeepSeek-V4-Flash and Nemotron 3 Ultra are evenly matched across the 2 benchmarks they both report (BullshitBench v2, GPQA Diamond). DeepSeek-V4-Flash shipped 41 days before Nemotron 3 Ultra, so benchmark comparisons should account for the intervening progress.

DeepSeek-V4-Flash is open weight, while Nemotron 3 Ultra is open source.

On BullshitBench v2, Nemotron 3 Ultra leads at 49% vs DeepSeek-V4-Flash at 18%. On GPQA Diamond, DeepSeek-V4-Flash leads at 88.1% vs Nemotron 3 Ultra at 86.7%.