GLM 5.2 vs GPT 4o Mini
Z.ai's frontier reasoning model for long-context agents and software engineering.
OpenAI's most advanced small model — fast and affordable.
No captured outputs for these models yet.
Frequently Asked Questions: GLM 5.2 vs GPT 4o Mini▼
Which is better, GLM 5.2 or GPT 4o Mini?
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Based on the Capability Index, GLM 5.2 scores higher (83.4 vs 60.8). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, GLM 5.2 or GPT 4o Mini?
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GPT 4o Mini has a lower blended cost. GLM 5.2: $1.40 input / $4.40 output. GPT 4o Mini: $0.15 input / $0.60 output.
Which has a larger context window, GLM 5.2 or GPT 4o Mini?
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GLM 5.2 has a larger context window: GLM 5.2 supports 262K tokens vs GPT 4o Mini at 128K tokens.
Do both GLM 5.2 and GPT 4o Mini support vision?
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GPT 4o Mini supports vision/image input, but GLM 5.2 does not.
What are the key differences between GLM 5.2 and GPT 4o Mini?
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Key differences: GLM 5.2 has a notably higher capability index (22.6 point gap); GPT 4o Mini is significantly cheaper; only GPT 4o Mini 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 GLM 5.2 and GPT 4o Mini for free on idapt.app to see which performs better for your specific needs.