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GLM-4.5 vs GPT OSS 120B
Comprehensive side-by-side LLM comparison
GLM-4.5 leads with 5.5% higher average benchmark score. GPT OSS 120B is $1.46 cheaper per million tokens. GPT OSS 120B is available on 5 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-OSS 120B was developed as an open-source model release from OpenAI, designed to provide the research and developer community with access to a capable language model. Built with 120 billion parameters, it enables experimentation, fine-tuning, and deployment in contexts where open-source licensing and transparency are valued.
8 days newer
GLM-4.5
Zhipu AI
2025-07-28
GPT OSS 120B
OpenAI
2025-08-05
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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 OSS 120B
Input:$0.09
Output:$0.45($1.46 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GLM-4.5
Average Score:79.4%(+5.5%)
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GPT OSS 120B
Average Score:74.0%
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 OSS 120B
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GLM-4.5
Avg Score:79.4%(+5.5%)
Providers:3
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GPT OSS 120B
Avg Score:74.0%
Providers:5