Compare AI models

Specifications
Parameters
—320B
Context window
128k1M
API pricing
Input price
$1.10—
Output price
$4.40—
Cached input price
$0.55—
Cheapest input
—$0.04Relace
Cheapest output
—$0.23StreamLake

These models have no shared benchmark scores.

Overview
CompanyOpenAIZ.ai
Release dateSep 12 2024Aug 26 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

o1-mini and GLM-5.3-Flash don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only o1-mini has a verified first-party API price: $1.10 per million input tokens and $4.40 per million output tokens. No pay-as-you-go API rate is tracked for GLM-5.3-Flash. o1-mini shipped 713 days before GLM-5.3-Flash, so benchmark comparisons should account for the intervening progress.

Context windows are 128k (o1-mini) vs 1M (GLM-5.3-Flash). o1-mini is closed, while GLM-5.3-Flash is open weight.

Direct benchmark comparisons are unavailable — o1-mini and GLM-5.3-Flash don't publish scores on any of the same benchmarks.