Z.AI: GLM 4.5 vs Z.ai: GLM 5
Compare Z.AI: GLM 4.5 and Z.ai: GLM 5, both from Zhipu AI, in 4 community votes, z.ai: glm 5 wins 100% of head-to-head duels, context windows of 128K vs 203K, tested across 53 shared challenges. Updated April 2026.
Which is better, Z.AI: GLM 4.5 or Z.ai: GLM 5?
Z.ai: GLM 5 is the better choice overall, winning 100% of 4 blind community votes on Rival. Z.AI: GLM 4.5 costs $0.6/M input tokens vs $0.8/M for Z.ai: GLM 5. Context windows: 128K vs 203K tokens. Compare their real outputs side by side below.
Key Differences Between Z.AI: GLM 4.5 and Z.ai: GLM 5
Z.AI: GLM 4.5 is made by zhipu while Z.ai: GLM 5 is from zhipu. Z.AI: GLM 4.5 has a 128K token context window compared to Z.ai: GLM 5's 203K. On pricing, Z.AI: GLM 4.5 costs $0.6/M input tokens vs $0.8/M for Z.ai: GLM 5. In community voting, In 4 community votes, Z.ai: GLM 5 wins 100% of head-to-head duels.
In 4 community votes, Z.ai: GLM 5 wins 100% of head-to-head duels. Z.ai: GLM 5 leads in Reasoning, Image Generation. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Pick Z.ai: GLM 5. In 4 blind votes, Z.ai: GLM 5 wins 100% of the time. That's not luck.
Z.ai: GLM 5 particularly excels in Reasoning, Image Generation.
Style Comparison
Z.AI: GLM 4.5 uses 13.1x 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.
