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Z.AI: GLM 4 32B vs GPT-4o (Omni)

Compare Z.AI: GLM 4 32B by Zhipu AI against GPT-4o (Omni) by OpenAI, context windows of 128K vs 128K, tested across 28 shared challenges. Updated March 2026.

Which is better, Z.AI: GLM 4 32B or GPT-4o (Omni)?

Z.AI: GLM 4 32B and GPT-4o (Omni) are both competitive models. Z.AI: GLM 4 32B costs $0.1/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Z.AI: GLM 4 32B and GPT-4o (Omni)

Z.AI: GLM 4 32B is made by zhipu while GPT-4o (Omni) is from openai. Z.AI: GLM 4 32B has a 128K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Z.AI: GLM 4 32B costs $0.1/M input tokens vs $2.5/M for GPT-4o (Omni).

Our Verdict
Z.AI: GLM 4 32B
Z.AI: GLM 4 32B
GPT-4o (Omni)
GPT-4o (Omni)

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 32B is 100x cheaper per token — worth considering if cost matters.

Too close to call
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