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
API pricingUSD per 1M tokens · lower wins
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
$1.25—
Output priceWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
$4.25—
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.
$1.25Meta—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$4.25Meta—
$463Meta list price—
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.
80%50.98%
MCP AtlasMulti-step tool use — Can the AI chain together many tools and steps to complete one bigger task, rather than doing just a single thing? Higher is better.
88.1%52.2%
Overview
CompanyMetaNVIDIA
Release dateJul 9 2026Oct 15 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Muse Spark 1.1 leads Nemotron 3.5 Bolt 74B on 2 of the 2 benchmarks they both report (Terminal-Bench 2.1, MCP Atlas). Only Muse Spark 1.1 has a verified first-party API price: $1.25 per million input tokens and $4.25 per million output tokens. No pay-as-you-go API rate is tracked for Nemotron 3.5 Bolt 74B. Muse Spark 1.1 shipped 98 days before Nemotron 3.5 Bolt 74B, so benchmark comparisons should account for the intervening progress.

Muse Spark 1.1 is closed, while Nemotron 3.5 Bolt 74B is open weight.

On Terminal-Bench 2.1, Muse Spark 1.1 leads at 80% vs Nemotron 3.5 Bolt 74B at 50.98%. On MCP Atlas, Muse Spark 1.1 leads at 88.1% vs Nemotron 3.5 Bolt 74B at 52.2%.