Z.AI: GLM 4.6 vs Claude Opus 4.1

Compare Z.AI: GLM 4.6 by Zhipu AI against Claude Opus 4.1 by Anthropic, in 4 community votes, z.ai: glm 4.6 wins 67% of head-to-head duels, context windows of 203K vs 200K, tested across 23 shared challenges. Updated February 2026.

In 4 community votes, Z.AI: GLM 4.6 wins 67% of head-to-head duels. Z.AI: GLM 4.6 has the edge overall, but performance varies by task type. Based on blind community voting from the RIVAL open dataset of 4+ human preference judgments for this pair.