Z.AI: GLM 4.6 vs GPT-4o (Omni)
Compare Z.AI: GLM 4.6 by Zhipu AI against GPT-4o (Omni) by OpenAI, in 1 community votes, z.ai: glm 4.6 wins 100% of head-to-head duels, context windows of 203K vs 128K, tested across 47 shared challenges. Updated February 2026.
In 1 community votes, Z.AI: GLM 4.6 wins 100% of head-to-head duels. Based on blind community voting from the RIVAL open dataset of 1+ human preference judgments for this pair.







