Claude Opus 4.5 vs GLM 5.2
Anthropic's frontier reasoning model for complex software engineering and agentic workflows.
Z.ai's frontier reasoning model for long-context agents and software engineering.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Opus 4.5 vs GLM 5.2▼
Which is better, Claude Opus 4.5 or GLM 5.2?
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Based on the Capability Index, GLM 5.2 scores higher (83.4 vs 81.4). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Claude Opus 4.5 or GLM 5.2?
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GLM 5.2 has a lower blended cost. Claude Opus 4.5: $5.00 input / $25.00 output. GLM 5.2: $1.40 input / $4.40 output.
Which has a larger context window, Claude Opus 4.5 or GLM 5.2?
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GLM 5.2 has a larger context window: Claude Opus 4.5 supports 200K tokens vs GLM 5.2 at 262K tokens.
Do both Claude Opus 4.5 and GLM 5.2 support vision?
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Claude Opus 4.5 supports vision/image input, but GLM 5.2 does not.
Which has better coding performance, Claude Opus 4.5 or GLM 5.2?
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GLM 5.2 scores higher on SWE-bench Verified: Claude Opus 4.5 resolves 77% vs GLM 5.2 at 79%.
What are the key differences between Claude Opus 4.5 and GLM 5.2?
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Key differences: GLM 5.2 is significantly cheaper; only Claude Opus 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 Claude Opus 4.5 and GLM 5.2 for free on idapt.app to see which performs better for your specific needs.