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.
24B550B
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.
256k1M
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
Benchmarks
SWE-Bench VerifiedCoding — Real coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better.
68%71.9%
Overview
CompanyMistralNVIDIA
Release dateDec 9 2025Jun 4 2026
AccessOpen WeightOpen Source
Model detailsView modelView model

Frequently asked questions

Nemotron 3 Ultra leads Devstral Small 2 (24B) on 1 of the 1 benchmark they both report (SWE-Bench Verified). Devstral Small 2 (24B) shipped 177 days before Nemotron 3 Ultra, so benchmark comparisons should account for the intervening progress.

Devstral Small 2 (24B) has 24B parameters, while Nemotron 3 Ultra has 550B. Context windows are 256k (Devstral Small 2 (24B)) vs 1M (Nemotron 3 Ultra). Devstral Small 2 (24B) is open weight, while Nemotron 3 Ultra is open source.

On SWE-Bench Verified, Nemotron 3 Ultra leads at 71.9% vs Devstral Small 2 (24B) at 68%.