Zhipu Z.ai 7/13 GLM-4.6: AutoGLM-Coder refresh + agent scaffold, commercial-only on BigModel

Zhipu Z.ai on 2026-07-13 publishes GLM-4.6 with AutoGLM-Coder coding-specialist post-training + agent scaffold. Self-reported figures include MMLU-Pro 81.2, GPQA-Diamond 73.5, HumanEval+ 90.8, MultiPL-E 87.6, SWE-Bench Verified 67.8, Terminal-Bench 2.1 74.6. License: commercial-only via BigModel / Z.ai; open-source variants stated as a future commitment, not a current artifact.