GLM 4.5 Air vs Grok 4.5
xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
No captured outputs for these models yet.
Frequently Asked Questions: GLM 4.5 Air vs Grok 4.5▼
Which is better, GLM 4.5 Air or Grok 4.5?
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Both GLM 4.5 Air and Grok 4.5 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, GLM 4.5 Air or Grok 4.5?
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GLM 4.5 Air has a lower blended cost. GLM 4.5 Air: $0.13 input / $0.85 output. Grok 4.5: $2.00 input / $6.00 output.
Which has a larger context window, GLM 4.5 Air or Grok 4.5?
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Grok 4.5 has a larger context window: GLM 4.5 Air supports 131K tokens vs Grok 4.5 at 500K tokens.
Do both GLM 4.5 Air and Grok 4.5 support vision?
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Grok 4.5 supports vision/image input, but GLM 4.5 Air does not.
What are the key differences between GLM 4.5 Air and Grok 4.5?
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Key differences: GLM 4.5 Air is significantly cheaper; only Grok 4.5 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 GLM 4.5 Air and Grok 4.5 for free on idapt.app to see which performs better for your specific needs.