GLM-5.3 Available on Baseten APIs with 1M Token Context

baseten · x · 2026-08-29

GLM-5.3 is now live on Baseten Model APIs. The model features 743B parameters and is described as the smartest open-weight model available. It supports a 1M token context, is currently only available in the US, and enforces a Zero Data Retention (ZDR) policy.

Related event: Z.ai Releases Open-Weight GLM-5.3 with Day-One Adoption Across Platforms(19 posts)→

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