Z.ai's GLM-5.2 Is the Open-Weight Coding Model the World Didn't Know It Needed
Zhipu AI's rebranded Z.ai has released GLM-5.2, a 744-billion-parameter open-weight coding giant that outperforms GPT-5.5 on SWE-bench Pro and costs one-sixth the price — and every weight is free to download under an MIT license.
Sophia Chen


