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GLM-4.5 vs GPT-4
Comprehensive side-by-side LLM comparison
GLM-4.5 leads with 43.4% higher average benchmark score. GLM-4.5 offers 196.6K more tokens in context window than GPT-4. GLM-4.5 is $88.00 cheaper per million tokens. GPT-4 supports multimodal inputs. 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-4 was created as a large multimodal model capable of accepting image and text inputs while producing text outputs. Developed to exhibit human-level performance on various professional and academic benchmarks, it marked a significant advancement in reliability, creativity, and handling of nuanced instructions compared to its predecessors.
2 years newer
GPT-4
OpenAI
2023-06-13
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($88.00 cheaper)
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GPT-4
Input:$30.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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GLM-4.5
Average Score:79.1%(+43.4%)
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GPT-4
Average Score:35.7%
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Knowledge Cutoff
Training data recency comparison
GPT-4
2022-12-31
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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GPT-4
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GLM-4.5
Avg Score:79.1%(+43.4%)
Providers:3
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GPT-4
Avg Score:35.7%
Providers:2