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GLM-4.5 vs GPT-4o mini
Comprehensive side-by-side LLM comparison
GLM-4.5 leads with 47.2% higher average benchmark score. GLM-4.5 offers 117.8K more tokens in context window than GPT-4o mini. GPT-4o mini is $1.25 cheaper per million tokens. GPT-4o mini supports multimodal inputs. GLM-4.5 is available on 3 providers. Overall, GLM-4.5 is the stronger choice for coding tasks.
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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
GPT-4o Mini was created as a smaller, more efficient variant of GPT-4o, designed to bring multimodal capabilities to applications requiring faster response times and lower costs. Built to democratize access to advanced vision and text understanding, it enables developers to build sophisticated applications with reduced resource requirements.
1 year newer
GPT-4o mini
OpenAI
2024-07-18
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
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GPT-4o mini
Input:$0.15
Output:$0.60($1.25 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GLM-4.5
Average Score:71.7%(+47.2%)
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GPT-4o mini
Average Score:24.4%
Performance comparison across key benchmark categories
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GLM-4.5
Coding64.2%(+55.5%)
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GPT-4o mini
Coding8.7%
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Knowledge Cutoff
Training data recency comparison
GPT-4o mini
2023-10-01
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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GPT-4o mini
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GLM-4.5
Avg Score:71.7%(+47.2%)
Providers:3
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GPT-4o mini
Avg Score:24.4%
Providers:1