GLM 5 Turbo
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GLM 5 Turbo vs GPT-4o (Omni)
Compare GLM 5 Turbo by Z-ai against GPT-4o (Omni) by OpenAI, context windows of 203K vs 128K, tested across 51 shared challenges. Updated March 2026.
Which is better, GLM 5 Turbo or GPT-4o (Omni)?
GLM 5 Turbo and GPT-4o (Omni) are both competitive models. GLM 5 Turbo costs $0.96/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 203K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between GLM 5 Turbo and GPT-4o (Omni)
GLM 5 Turbo is made by z-ai while GPT-4o (Omni) is from openai. GLM 5 Turbo has a 203K token context window compared to GPT-4o (Omni)'s 128K. On pricing, GLM 5 Turbo costs $0.96/M input tokens vs $2.5/M for GPT-4o (Omni).
Our Verdict
GLM 5 Turbo
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.
GLM 5 Turbo is 3.1x cheaper per token — worth considering if cost matters.
Too close to call
FAQ
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