GPT 4.1 vs GLM 5.2
OpenAI's flagship GPT-4.1 with advanced instruction following and long context.
Z.ai's frontier reasoning model for long-context agents and software engineering.
No captured outputs for these models yet.
Frequently Asked Questions: GPT 4.1 vs GLM 5.2▼
Which is better, GPT 4.1 or GLM 5.2?
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Based on the Capability Index, GLM 5.2 scores higher (83.4 vs 70.4). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, GPT 4.1 or GLM 5.2?
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GLM 5.2 has a lower blended cost. GPT 4.1: $2.00 input / $8.00 output. GLM 5.2: $1.40 input / $4.40 output.
Which has a larger context window, GPT 4.1 or GLM 5.2?
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GPT 4.1 has a larger context window: GPT 4.1 supports 1M tokens vs GLM 5.2 at 262K tokens.
Do both GPT 4.1 and GLM 5.2 support vision?
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GPT 4.1 supports vision/image input, but GLM 5.2 does not.
Which has better coding performance, GPT 4.1 or GLM 5.2?
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GLM 5.2 scores higher on SWE-bench Verified: GPT 4.1 resolves 49% vs GLM 5.2 at 79%.
What are the key differences between GPT 4.1 and GLM 5.2?
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Key differences: GLM 5.2 has a notably higher capability index (13.0 point gap); only GPT 4.1 supports vision input; only GLM 5.2 offers extended reasoning mode. Compare full specs on this page.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 4.1 and GLM 5.2 for free on idapt.app to see which performs better for your specific needs.