Claude Opus 4 vs Z.AI: GLM 4 32B
Compare Claude Opus 4 by Anthropic against Z.AI: GLM 4 32B by Zhipu AI, in 2 community votes, claude opus 4 wins 100% of head-to-head duels, context windows of 200K vs 128K, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude Opus 4 or Z.AI: GLM 4 32B?
Claude Opus 4 is the better choice overall, winning 100% of 2 blind community votes on Rival. Claude Opus 4 costs $15/M input tokens vs $0.1/M for Z.AI: GLM 4 32B. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4 and Z.AI: GLM 4 32B
Claude Opus 4 is made by anthropic while Z.AI: GLM 4 32B is from zhipu. Claude Opus 4 has a 200K token context window compared to Z.AI: GLM 4 32B's 128K. On pricing, Claude Opus 4 costs $15/M input tokens vs $0.1/M for Z.AI: GLM 4 32B. In community voting, In 2 community votes, Claude Opus 4 wins 100% of head-to-head duels.
In 2 community votes, Claude Opus 4 wins 100% of head-to-head duels. Claude Opus 4 leads in Web Design. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Pick Claude Opus 4. In 2 blind votes, Claude Opus 4 wins 100% of the time. That's not luck.
Claude Opus 4 particularly excels in Web Design. Z.AI: GLM 4 32B is 750x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4 uses 11.2x more emoji
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
