Compare Z.AI: GLM 4.5 Air by Zhipu AI against Qwen Plus 0728 (thinking) by Qwen, context windows of 128K vs 1.0M, tested across 37 shared challenges. Updated April 2026.
Z.AI: GLM 4.5 Air and Qwen Plus 0728 (thinking) are both competitive models. Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $0.4/M for Qwen Plus 0728 (thinking). Context windows: 128K vs 1000K tokens. Compare their real outputs side by side below.
Z.AI: GLM 4.5 Air is made by zhipu while Qwen Plus 0728 (thinking) is from qwen. Z.AI: GLM 4.5 Air has a 128K token context window compared to Qwen Plus 0728 (thinking)'s 1000K. On pricing, Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $0.4/M for Qwen Plus 0728 (thinking).
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Z.AI: GLM 4.5 Air is 3.6x cheaper per token — worth considering if cost matters.
Qwen Plus 0728 (thinking) uses 3.4x more emoji
Ask 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.

Compare Z.AI: GLM 4.5 Air by Zhipu AI against Qwen Plus 0728 (thinking) by Qwen, context windows of 128K vs 1.0M, tested across 37 shared challenges. Updated April 2026.
Z.AI: GLM 4.5 Air and Qwen Plus 0728 (thinking) are both competitive models. Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $0.4/M for Qwen Plus 0728 (thinking). Context windows: 128K vs 1000K tokens. Compare their real outputs side by side below.
Z.AI: GLM 4.5 Air is made by zhipu while Qwen Plus 0728 (thinking) is from qwen. Z.AI: GLM 4.5 Air has a 128K token context window compared to Qwen Plus 0728 (thinking)'s 1000K. On pricing, Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $0.4/M for Qwen Plus 0728 (thinking).
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Z.AI: GLM 4.5 Air is 3.6x cheaper per token — worth considering if cost matters.
Qwen Plus 0728 (thinking) uses 3.4x more emoji
Ask 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.

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32 fights queued
20+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy