Amazon Bedrock Adds Z.ai's GLM 5.3 Model for Agentic Software Engineering
Amazon Bedrock now supports Z.ai's GLM 5.3, offering a powerful new option for agentic coding and long-horizon software engineering tasks. This mixture-of-experts model features 753B parameters, a 1-million-token context window, and up to 128K output tokens. It also includes explicit prompt caching to help reduce latency and input costs for repeated context. GLM 5.3 is generally available to eligible enterprise customers and can be accessed through the Amazon Bedrock console and APIs in US and Global cross-Region inference profiles.
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- Z.ai GLM 5.3 Model Now Available on Amazon Bedrock
Amazon Bedrock now supports Z.ai's flagship GLM 5.3 model, a 753B parameter mixture-of-experts architecture with 40B active parameters per token. This model, designed for agentic coding and long-horizon software engineering, features a 1-million-token context window and up to 128K output tokens. It also provides explicit prompt caching to optimize latency and input costs, and is available to eligible enterprise customers.
https://aws.amazon.com/about-aws/whats-new/2026/10/amazon-bedrock-glm-5-3/
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