Overview
GLM-5.2 is zhipu-ai’s flagship large language model — MIT-licensed open weights on Hugging Face, optimized for agentic coding and long-horizon software engineering.
Key Specs
- 1M-token context window
- SWE-bench Pro: 62.1% (top among open-weight models; below Opus 4.8 69.2%)
- Anthropic-compatible API endpoint — drop-in backend for Claude Code harness
- Trained on domestic Chinese silicon (Huawei Ascend reported; secondary sources)
Release Timeline
- 2026-06-16: Released to GLM Coding Plan subscribers, then open-sourced
- 2026-07-02: zcode IDE launched as official development environment