GLM-5.3 is an advanced open-weight AI model from Z.ai designed for coding, agent workflows, and cybersecurity tasks. It uses the same base as GLM-5.2 but improves performance through post-training, delivering around 50% better coding results and strong vulnerability detection capabilities for real-world software and security use cases.
Pricing
Freemium - GLM Coding Plan / API Token Pricing
Rating

