Compare AI models

Specifications
Parameters
—253B
API pricing
Cheapest input
$0.0182Relace—
Cheapest output
$0.1652StreamLake—
Benchmarks
LiveCodeBench
91.6%66.3%
GPQA Diamond
88.1%76%
Overview
CompanyDeepSeekNVIDIA
Release dateApr 24 2026Apr 8 2025
AccessOpen WeightOpen Weight
Model detailsView modelView model

Frequently asked questions

DeepSeek-V4-Flash leads Llama Nemotron Ultra 253B on 2 of the 2 benchmarks they both report (LiveCodeBench, GPQA Diamond). Llama Nemotron Ultra 253B shipped 381 days before DeepSeek-V4-Flash, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On LiveCodeBench, DeepSeek-V4-Flash leads at 91.6% vs Llama Nemotron Ultra 253B at 66.3%. On GPQA Diamond, DeepSeek-V4-Flash leads at 88.1% vs Llama Nemotron Ultra 253B at 76%.