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Developers building agentic systems and long-horizon coding tasks now have access to a specialized large-scale MoE model through a managed API with cost optimizations, while enterprises gain an additional vendor-backed option for agent-capable workloads on Bedrock, affecting both implementation choices and procurement decisions.
GLM 5.3, a 753B-parameter mixture-of-experts model from Z.ai optimized for coding and agentic tasks, is now available on Amazon Bedrock with OpenAI-compatible APIs. The release includes prompt caching for cost and latency reduction, and support for the open-source Strix agent framework for authorized security testing.
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CoFabrix summarises and comments on this story. The original reporting belongs to AWS AI/ML.
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