GPT 5.1 Codex Mini vs GLM 5.2
Compact coding model for fast, cost-efficient development tasks.
Z.ai's frontier reasoning model for long-context agents and software engineering.
No captured outputs for these models yet.
Frequently Asked Questions: GPT 5.1 Codex Mini vs GLM 5.2▼
Which is better, GPT 5.1 Codex Mini or GLM 5.2?
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Both GPT 5.1 Codex Mini and GLM 5.2 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Which is cheaper, GPT 5.1 Codex Mini or GLM 5.2?
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GPT 5.1 Codex Mini has a lower blended cost. GPT 5.1 Codex Mini: $0.25 input / $2.00 output. GLM 5.2: $1.40 input / $4.40 output.
Which has a larger context window, GPT 5.1 Codex Mini or GLM 5.2?
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GPT 5.1 Codex Mini has a larger context window: GPT 5.1 Codex Mini supports 400K tokens vs GLM 5.2 at 262K tokens.
Do both GPT 5.1 Codex Mini and GLM 5.2 support vision?
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GPT 5.1 Codex Mini supports vision/image input, but GLM 5.2 does not.
What are the key differences between GPT 5.1 Codex Mini and GLM 5.2?
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Key differences: GPT 5.1 Codex Mini is significantly cheaper; only GPT 5.1 Codex Mini supports vision input. 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 5.1 Codex Mini and GLM 5.2 for free on idapt.app to see which performs better for your specific needs.