GLM-5.2 Hallucinates 3x Less Than GPT-5.5 — Open Weight Wins
Z.ai released GLM-5.2 under an MIT license on June 16, and benchmarks show the open-weight model hallucinates at 28% versus GPT-5.5's 86% on the AA-Omniscience benchmark, a 3x reliability gap. GLM-5.2…