Z.AI: GLM 4.6 vs GPT-5 Codex

Compare Z.AI: GLM 4.6 by Zhipu AI against GPT-5 Codex by OpenAI, in 32 community votes, z.ai: glm 4.6 wins 66% of head-to-head duels, tested across 48 shared challenges. Updated February 2026.

In 32 community votes, Z.AI: GLM 4.6 wins 66% of head-to-head duels. Z.AI: GLM 4.6 leads in Reasoning, Image Generation, while GPT-5 Codex leads in Web Design. Based on blind community voting from the RIVAL open dataset of 32+ human preference judgments for this pair.