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GLM-4.5 vs GPT-4.1
Comprehensive side-by-side LLM comparison
GLM-4.5 leads with 17.6% higher average benchmark score. GPT-4.1 offers 818.2K more tokens in context window than GLM-4.5. GLM-4.5 is $8.00 cheaper per million tokens. GPT-4.1 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-4.1 represents an iterative improvement in the GPT-4 series, developed to refine the foundational capabilities established by GPT-4. Built to incorporate learnings and optimizations from the deployment of previous versions, it continues the evolution of OpenAI's flagship model line with enhanced reliability and performance.
3 months newer
GPT-4.1
OpenAI
2025-04-14
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($8.00 cheaper)
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GPT-4.1
Input:$2.00
Output:$8.00
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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GLM-4.5
Average Score:74.9%(+17.6%)
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GPT-4.1
Average Score:57.3%
Performance comparison across key benchmark categories
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GLM-4.5
Coding64.2%(+9.6%)
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GPT-4.1
Coding54.6%
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Knowledge Cutoff
Training data recency comparison
GPT-4.1
2024-06-01
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-4.1
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GLM-4.5
Avg Score:74.9%(+17.6%)
Providers:3
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GPT-4.1
Avg Score:57.3%
Providers:1