GLM-5.3

Every AIbrief event involving GLM-5.3, in order.

1. August 19, 2026 · Models · 1 source

   Z.ai opens GLM-5.3 API access and keeps token pricing at GLM-5.2 levels

   Z.ai has made its GLM-5.3 model available through an API, giving developers programmatic access to the newly released model for agents and applications. According to the report, pricing remains unchanged from GLM-5.2 at $1.40 per million input tokens and $4.40 per million output tokens, with lower cached-input pricing and free cached-input storage listed for a limited time.