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Large Language ModelsOpen-Source AIAI Business & IndustryVentureBeat AIPublished: Aug 19, 2026, 13:01 JST

GLM-5.3 API launches at $1.4/$4.4 per million tokens

GLM-5.3 API launches at $1.4/$4.4 per million tokens

GLM-5.3, a new open-source language model from Chinese startup z.ai, is now available via API following its debut last week. Developers with a GLM Coding Plan subscription can access it through an OpenAI Chat Completions-compatible protocol. Pricing matches the previous GLM-5.2 generation: $1.40 per million input tokens and $4.40 per million output tokens, with cached input at $0.26 per million tokens and free cached-input storage for a limited time.

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