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.
550B—
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.
1M32k
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.
$0.40DeepInfra—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$1.76DeepInfra—
$210DeepInfra · fp4—
These models have no shared benchmark scores.
Overview
CompanyNVIDIAQwen
Release dateJun 4 2026Jan 28 2025
AccessOpen SourceClosed
Model detailsView modelView model

Frequently asked questions

Nemotron 3 Ultra and Qwen2.5-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Qwen2.5-Max shipped 492 days before Nemotron 3 Ultra, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Nemotron 3 Ultra) vs 32k (Qwen2.5-Max). Nemotron 3 Ultra is open source, while Qwen2.5-Max is closed.

Direct benchmark comparisons are unavailable — Nemotron 3 Ultra and Qwen2.5-Max don't publish scores on any of the same benchmarks.