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Cloud Changelog
June 16, 2026 · Z.ai
Model adds 1M lossless context, with stronger long-horizon task performance
- Supports 1M lossless context, significantly improving long-horizon task capabilities and reducing context drift and goal forgetting in complex tasks
- Achieves open-source SOTA performance on coding and long-horizon task benchmarks, delivering more stable results in complex system engineering and deep debugging
- Significantly improves the real-world developer experience, with more reliable project-level context handling, adherence to engineering standards, and multi-platform development. Learn more in our documentation.*
Latest Z.ai API changes
New model adds native visual capabilities, with 320B total and 18B active parameters
GLM-5.3 released, with 50% coding gain over GLM-5.2 on Z.ai Code Bench
GLM-5.1 released, working independently for up to 8 hours in a single run
GLM-5 released for complex system engineering and long-range Agent tasks
GLM-Image image generation model released, with improved text rendering