Z.AI resolves GLM-5 infrastructure issue
Key point
Z.AI identified the cause of GLM-5's intermittent output anomalies as an infrastructure issue.
Details
Z.AI revealed that the garbled output and unexpected behavior that intermittently occurred in the GLM-5 series were caused not by the model itself but by an infrastructure issue.
The company explained that after reproducing the issue, it immediately deployed a fix, and the problem is now fully resolved.
The improvements are as follows.
- Abnormal output reduced to near-zero levels under high-load conditions
- Faster TTFT and improved serving stability at peak concurrency
- Some fixes were contributed to the SGLang community
Technical details have been published at z.ai/blog/scaling-pain.
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