AWS makes GLM 5.3 available on Amazon Bedrock
AWS announced that Z.ai's GLM 5.3, a 753-billion-parameter mixture-of-experts model designed for coding and long-horizon agentic tasks, is now available on Amazon Bedrock. The model supports OpenAI-compatible API invocation, prompt caching to lower latency and cost, and authorized security testing with the open-source Strix agent. Claims are as reported; this summary makes no determination about accuracy or significance.
- First detected
- Oct 5, 2026
- Last updated
- Oct 5, 2026
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Why it matters
The addition expands Bedrock's foundation model catalog with a high-capacity architecture tailored for automated programming and multi-step agent workflows. Prompt caching and API standardization reduce deployment friction and operational costs for engineering teams building autonomous enterprise software.
Coverage
Source
- Introducing GLM 5.3 on Amazon BedrockAWS Machine LearningOriginal (opens in a new tab)
- Introducing GLM 5.3 on Amazon Bedrock
Primary/vendor sources vs independent reporting
Primary / vendor source: information published directly by the company, organization, government body or project involved. Useful as a primary source, but not independent confirmation.
Independent reporting: reporting or analysis from a source independent of the organization making the underlying claim.
How this developed
Oct 5, 2026
Development detected
New reporting added
Introducing GLM 5.3 on Amazon BedrockAWS Machine LearningSource
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