Z.AI: GLM 4.5 Air vs GPT-5

Compare Z.AI: GLM 4.5 Air by Zhipu AI against GPT-5 by OpenAI, in 22 community votes, z.ai: glm 4.5 air wins 69% of head-to-head duels, context windows of 128K vs 400K, tested across 26 shared challenges. Updated February 2026.

In 22 community votes, Z.AI: GLM 4.5 Air wins 69% of head-to-head duels. Z.AI: GLM 4.5 Air leads in Image Generation, Web Design, Reasoning. Based on blind community voting from the RIVAL open dataset of 22+ human preference judgments for this pair.