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DeepSeek-V3.1 vs GPT-4.5
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 21.7% higher average benchmark score. DeepSeek-V3.1 offers 195.6K more tokens in context window than GPT-4.5. DeepSeek-V3.1 is $223.73 cheaper per million tokens. GPT-4.5 supports multimodal inputs. Overall, GPT-4.5 is the stronger choice for coding tasks.
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DeepSeek
DeepSeek-V3.1 is a language model developed by DeepSeek. The model shows competitive results across 16 benchmarks. It excels particularly in SimpleQA (93.4%), MMLU-Redux (91.8%), MMLU-Pro (83.7%). It supports a 328K token context window for handling large documents. The model is available through 2 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents DeepSeek's latest advancement in AI technology.
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OpenAI
GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 27 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). It supports a 132K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
1 month newer
DeepSeek-V3.1
DeepSeek
2025-01-10
GPT-4.5
OpenAI
2025-02-27
Pricing Comparison
Cost per million tokens (USD)
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DeepSeek-V3.1
Input:$0.27
Output:$1.00($223.73 cheaper)
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GPT-4.5
Input:$75.00
Output:$150.00
Performance Metrics
Context window and performance specifications
Average performance across 38 common benchmarks
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DeepSeek-V3.1
Average Score:23.2%
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GPT-4.5
Average Score:44.8%(+21.7%)
Provider Availability & Performance
Available providers and their performance metrics
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DeepSeek-V3.1
2 providers
DeepInfra
Novita
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GPT-4.5
1 providers
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DeepSeek-V3.1
Avg Score:23.2%
Providers:2
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GPT-4.5
Avg Score:44.8%(+21.7%)
Providers:1