Z.AI: GLM 4.5 Air vs GPT-5.4 Nano
Compare Z.AI: GLM 4.5 Air by Zhipu AI against GPT-5.4 Nano by OpenAI, context windows of 128K vs 400K, tested across 53 shared challenges. Updated April 2026.
Which is better, Z.AI: GLM 4.5 Air or GPT-5.4 Nano?
Z.AI: GLM 4.5 Air and GPT-5.4 Nano are both competitive models. Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $0.2/M for GPT-5.4 Nano. Context windows: 128K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Z.AI: GLM 4.5 Air and GPT-5.4 Nano
Z.AI: GLM 4.5 Air is made by zhipu while GPT-5.4 Nano is from openai. Z.AI: GLM 4.5 Air has a 128K token context window compared to GPT-5.4 Nano's 400K. On pricing, Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $0.2/M for GPT-5.4 Nano.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Style Comparison
Z.AI: GLM 4.5 Air uses 9.9x 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.
