Compare AI models

Specifications
Parameters
—744B
API pricing
Input price
$1.25$1.00
Output price
$4.25$3.20
Cached input price
—$0.20
Cheapest input
$1.25Meta$0.60GMICloud
Cheapest output
$4.25Meta$1.92GMICloud
Benchmarks
Humanity's Last Exam · with tools
62.1%50.4%
Overview
CompanyMetaZ.ai
Release dateJul 9 2026Feb 12 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Muse Spark 1.1 leads GLM-5 on 1 of the 1 benchmark they both report (Humanity's Last Exam). GLM-5 is cheaper on both input and output: $1.00 vs $1.25 per million input tokens, and $3.20 vs $4.25 per million output tokens. GLM-5 shipped 147 days before Muse Spark 1.1, so benchmark comparisons should account for the intervening progress.

Muse Spark 1.1 is closed, while GLM-5 is open weight.

On Humanity's Last Exam · with tools, Muse Spark 1.1 leads at 62.1% vs GLM-5 at 50.4%.