Z.AI: GLM 4.6 vs Grok Code Fast 1
Compare Z.AI: GLM 4.6 by Zhipu AI against Grok Code Fast 1 by xAI, in 53 community votes, z.ai: glm 4.6 wins 83% of head-to-head duels, context windows of 203K vs 256K, tested across 48 shared challenges. Updated February 2026.
In 53 community votes, Z.AI: GLM 4.6 wins 83% of head-to-head duels. Z.AI: GLM 4.6 leads in Web Design, Image Generation, Reasoning. Based on blind community voting from the RIVAL open dataset of 53+ human preference judgments for this pair.







