Compare AI models

Specifications
ParametersA rough measure of how big the model is. More parameters usually means more capable and more expensive to run, though it is a poor guide on its own — a smaller, newer model often beats a larger, older one.
—74B
Context windowHow much text the model can hold in mind at once — your question, any documents you attach, the conversation so far, and its own reply. Go past it and the earliest part falls out of view.
1M—
Benchmarks
Terminal-Bench 2.1Agentic terminal coding — Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better.
88%50.98%
BrowseCompWeb browsing — Can the AI browse the web and track down hard-to-find answers? Higher is better.
88%66.75%
Overview
CompanyAnthropicNVIDIA
Release dateJun 9 2026Oct 15 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Claude Mythos 5 leads Nemotron 3.5 Bolt 74B on 2 of the 2 benchmarks they both report (Terminal-Bench 2.1, BrowseComp). Claude Mythos 5 shipped 128 days before Nemotron 3.5 Bolt 74B, so benchmark comparisons should account for the intervening progress.

Claude Mythos 5 is closed, while Nemotron 3.5 Bolt 74B is open weight.

On Terminal-Bench 2.1, Claude Mythos 5 leads at 88% vs Nemotron 3.5 Bolt 74B at 50.98%. On BrowseComp, Claude Mythos 5 leads at 88% vs Nemotron 3.5 Bolt 74B at 66.75%.