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GLM 5 Turbo vs GPT-4.1

Compare GLM 5 Turbo by Z-ai against GPT-4.1 by OpenAI, context windows of 203K vs 1.0M, tested across 38 shared challenges. Updated March 2026.

Which is better, GLM 5 Turbo or GPT-4.1?

GLM 5 Turbo and GPT-4.1 are both competitive models. GLM 5 Turbo costs $0.96/M input tokens vs $2/M for GPT-4.1. Context windows: 203K vs 1048K tokens. Compare their real outputs side by side below.

Key Differences Between GLM 5 Turbo and GPT-4.1

GLM 5 Turbo is made by z-ai while GPT-4.1 is from openai. GLM 5 Turbo has a 203K token context window compared to GPT-4.1's 1048K. On pricing, GLM 5 Turbo costs $0.96/M input tokens vs $2/M for GPT-4.1.

Our Verdict
GPT-4.1
GPT-4.1
GLM 5 Turbo
GLM 5 TurboRunner-up

No community votes yet. On paper, GPT-4.1 has the edge — bigger model tier, bigger context window, major provider backing.

Too close to call
FAQ
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