Claude Opus 4.6 vs Z.ai: GLM 5
Compare Claude Opus 4.6 by Anthropic against Z.ai: GLM 5 by Zhipu AI, in 66 community votes, claude opus 4.6 wins 66% of head-to-head duels, context windows of 1.0M vs 203K, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude Opus 4.6 or Z.ai: GLM 5?
Claude Opus 4.6 is the better choice overall, winning 66% of 66 blind community votes on Rival. Claude Opus 4.6 costs $5/M input tokens vs $0.8/M for Z.ai: GLM 5. Context windows: 1000K vs 203K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.6 and Z.ai: GLM 5
Claude Opus 4.6 is made by anthropic while Z.ai: GLM 5 is from zhipu. Claude Opus 4.6 has a 1000K token context window compared to Z.ai: GLM 5's 203K. On pricing, Claude Opus 4.6 costs $5/M input tokens vs $0.8/M for Z.ai: GLM 5. In community voting, In 66 community votes, Claude Opus 4.6 wins 66% of head-to-head duels.
In 66 community votes, Claude Opus 4.6 wins 66% of head-to-head duels. Claude Opus 4.6 leads in Image Generation, Web Design, Conversation. Based on blind community voting from the Rival open dataset of 66+ human preference judgments for this pair.
Per 1M tokens
Z.ai: GLM 5 is cheaper on both — 6.3× input, 9.8× output
Pick Claude Opus 4.6. In 66 blind votes, Claude Opus 4.6 wins 66% of the time. That's not luck.
Claude Opus 4.6 particularly excels in Web Design, Conversation, Image Generation. Z.ai: GLM 5 is 9.8x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4.6 uses 20.7x more emoji
