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.
12B—
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.
128k2M
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.
$0.0166Io Net—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$0.0216Io Net—
$4.40Io Net · fp16—
Overview
CompanyMistralSpaceXSI
Release dateJul 18 2024Sep 19 2025
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

Mistral NeMo and Grok 4 Fast don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral NeMo shipped 428 days before Grok 4 Fast, so benchmark comparisons should account for the intervening progress.

Context windows are 128k (Mistral NeMo) vs 2M (Grok 4 Fast). Mistral NeMo is open weight, while Grok 4 Fast is closed.

Direct benchmark comparisons are unavailable — Mistral NeMo and Grok 4 Fast don't publish scores on any of the same benchmarks.