Compare AI models

Specifications
Parameters
—106B
Context window
1M—
API pricing
Input price
—$0.20
Output price
—$1.10
Cached input price
—$0.03
Cheapest input
$1.25Meta$0.13Novita
Cheapest output
$4.25Meta$0.85Novita

These models have no shared benchmark scores.

Overview
CompanyMetaZ.ai
Release dateSep 2 2026Jul 28 2025
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Muse Spark 1.3 and GLM-4.5-Air don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only GLM-4.5-Air has a verified first-party API price: $0.20 per million input tokens and $1.10 per million output tokens. No pay-as-you-go API rate is tracked for Muse Spark 1.3. GLM-4.5-Air shipped 401 days before Muse Spark 1.3, so benchmark comparisons should account for the intervening progress.

Muse Spark 1.3 is closed, while GLM-4.5-Air is open weight.

Direct benchmark comparisons are unavailable — Muse Spark 1.3 and GLM-4.5-Air don't publish scores on any of the same benchmarks.