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GLM-4.5 vs o4-mini
Comprehensive side-by-side LLM comparison
o4-mini leads with 2.4% higher average benchmark score. o4-mini offers 37.9K more tokens in context window than GLM-4.5. GLM-4.5 is $3.50 cheaper per million tokens. o4-mini supports multimodal inputs. GLM-4.5 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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Zhipu AI
GLM-4.5 was developed by Zhipu AI as an advanced bilingual language model, designed to excel at both Chinese and English language tasks. Built to serve diverse applications across multiple languages, it represents Zhipu AI's commitment to multilingual AI capabilities.
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OpenAI
o4-mini was created as part of the next generation of OpenAI's reasoning models, designed to continue advancing the balance between analytical capability and operational efficiency. Built to bring cutting-edge reasoning techniques to applications requiring quick turnaround, it represents the evolution of compact reasoning-focused models.
3 months newer
o4-mini
OpenAI
2025-04-16
GLM-4.5
Zhipu AI
2025-07-28
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Pricing Comparison
Cost per million tokens (USD)
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GLM-4.5
Input:$0.40
Output:$1.60($3.50 cheaper)
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o4-mini
Input:$1.10
Output:$4.40
Performance Metrics
Context window and performance specifications
Average performance across 6 common benchmarks
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GLM-4.5
Average Score:66.8%
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o4-mini
Average Score:69.2%(+2.4%)
Performance comparison across key benchmark categories
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GLM-4.5
Coding64.2%
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o4-mini
Coding68.1%(+3.9%)
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Knowledge Cutoff
Training data recency comparison
o4-mini
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5
3 providers
DeepInfra
Novita
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
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o4-mini
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GLM-4.5
Avg Score:66.8%
Providers:3
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o4-mini
Avg Score:69.2%(+2.4%)
Providers:1