GLM 5.3 AI Model Now on Amazon Bedrock

Z.ai's GLM 5.3, a 753B-parameter mixture-of-experts model, is now available on Amazon Bedrock for eligible enterprise customers. Designed for coding and long-horizon agentic tasks, it features notable cybersecurity capabilities, including an 84.5 score on the CyberGym benchmark. Users can access it via OpenAI-compatible APIs or Amazon Bedrock's Invoke and Converse APIs, with support for prompt caching, cross-Region inference, and service tiers. No infrastructure management is required. GLM 5.3 improves on GLM 5.2 with a reported 50% gain on internal coding benchmarks.