Compare AI models

Specifications
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality.
671B74B
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
128k256k
API pricingUSD per 1M tokens · lower wins
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page.
$0.50DeepInfra—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$2.15DeepInfra—
$208DeepInfra · fp4—
Benchmarks
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better.
81%86.43%
Overview
CompanyDeepSeekNVIDIA
Release dateMay 28 2025Oct 15 2026
AccessOpen WeightOpen Weight
Model detailsView modelView model

Frequently asked questions

Nemotron 3.5 Bolt 74B leads DeepSeek R1-0528 on 1 of the 1 benchmark they both report (GPQA Diamond). DeepSeek R1-0528 shipped 505 days before Nemotron 3.5 Bolt 74B, so benchmark comparisons should account for the intervening progress.

DeepSeek R1-0528 has 671B parameters, while Nemotron 3.5 Bolt 74B has 74B. Context windows are 128k (DeepSeek R1-0528) vs 256k (Nemotron 3.5 Bolt 74B).

On GPQA Diamond, Nemotron 3.5 Bolt 74B leads at 86.43% vs DeepSeek R1-0528 at 81%.