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GLM-4.5 vs GPT-4
Comprehensive side-by-side LLM comparison
GPT-4 leads with 1.5% 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. Both models have their strengths depending on your specific coding needs.
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Zhipu AI
GLM-4.5 is a language model developed by Zhipu AI. It achieves strong performance with an average score of 64.0% across 14 benchmarks. It excels particularly in MATH-500 (98.2%), AIME 2024 (91.0%), MMLU-Pro (84.6%). It supports a 262K token context window for handling large documents. The model is available through 3 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Zhipu AI's latest advancement in AI technology.
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OpenAI
GPT-4 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 77.7% across 12 benchmarks. It excels particularly in AI2 Reasoning Challenge (ARC) (96.3%), HellaSwag (95.3%), Uniform Bar Exam (90.0%). The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly.
2 years newer
GPT-4
OpenAI
2023-06-13
GLM-4.5
Zhipu AI
2025-07-28
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 25 common benchmarks
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GLM-4.5
Average Score:35.8%
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GPT-4
Average Score:37.3%(+1.5%)
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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:35.8%
Providers:3
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GPT-4
Avg Score:37.3%(+1.5%)
Providers:2