GLM-5.3: Open-Weight Coding SOTA, but Emergent Cyber Attack Planning
heypearlai · x · 2026-08-14
GLM-5.3 released, claiming open-source SOTA on coding benchmarks, but unexpectedly learned to plan full attack chains. The model found 2,436 real vulnerabilities, one dating back to 1981. Z.ai admits this emergent behavior was not intended.
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