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GLM-4.5V vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
GPT OSS 20B offers 65.5K more tokens in context window than GLM-4.5V. GPT OSS 20B is $2.55 cheaper per million tokens. GLM-4.5V supports multimodal inputs. GPT OSS 20B is available on 4 providers. Both models have their strengths depending on your specific coding needs.
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Zhipu AI
GLM-4.5V was developed as a vision-language variant, designed to understand and reason about both images and text in Chinese and English. Built to extend Zhipu AI's multilingual capabilities into multimodal applications, it enables visual understanding alongside bilingual language processing.
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OpenAI
GPT-OSS 20B was created as a smaller open-source variant, designed to balance capability with accessibility for researchers and developers. Built with 20 billion parameters, it provides a more approachable entry point for those seeking to work with open-source language models while benefiting from OpenAI's architectural insights.
6 days newer
GPT OSS 20B
OpenAI
2025-08-05
GLM-4.5V
Zhipu AI
2025-08-11
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Pricing Comparison
Cost per million tokens (USD)
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GLM-4.5V
Input:$0.60
Output:$2.20
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GPT OSS 20B
Input:$0.05
Output:$0.20($2.55 cheaper)
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5V
2 providers
Novita
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
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GPT OSS 20B
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GLM-4.5V
Avg Score:0.0%
Providers:2
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GPT OSS 20B
Avg Score:0.0%
Providers:4