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.
1T8B
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.
256k—
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.
$0.60Google—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$2.50Google—
$245Novita · bf16—
These models have no shared benchmark scores.
Overview
CompanyMoonshot AINVIDIA
Release dateNov 6 2025Oct 23 2026
AccessOpen WeightOpen Weight
Model detailsView modelView model

Frequently asked questions

Kimi K2 Thinking and Nemotron 3.5 Bolt E4B 4GB don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K2 Thinking shipped 351 days before Nemotron 3.5 Bolt E4B 4GB, so benchmark comparisons should account for the intervening progress.

Kimi K2 Thinking has 1T parameters, while Nemotron 3.5 Bolt E4B 4GB has 8B.

Direct benchmark comparisons are unavailable — Kimi K2 Thinking and Nemotron 3.5 Bolt E4B 4GB don't publish scores on any of the same benchmarks.