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DeepSeek-V3.1 vs GPT OSS 120B
Comprehensive side-by-side LLM comparison
DeepSeek-V3.1 leads with 25.1% higher average benchmark score. DeepSeek-V3.1 offers 65.5K more tokens in context window than GPT OSS 120B. GPT OSS 120B is $0.73 cheaper per million tokens. GPT OSS 120B is available on 5 providers. Overall, DeepSeek-V3.1 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 OSS 120B is a language model developed by OpenAI. It achieves strong performance with an average score of 61.7% across 7 benchmarks. It excels particularly in MMLU (90.0%), CodeForces (87.4%), GPQA (80.1%). It supports a 262K token context window for handling large documents. The model is available through 5 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents OpenAI's latest advancement in AI technology.
6 months newer
DeepSeek-V3.1
DeepSeek
2025-01-10
GPT OSS 120B
OpenAI
2025-08-05
Pricing Comparison
Cost per million tokens (USD)
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DeepSeek-V3.1
Input:$0.27
Output:$1.00
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GPT OSS 120B
Input:$0.09
Output:$0.45($0.73 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 20 common benchmarks
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DeepSeek-V3.1
Average Score:46.7%(+25.1%)
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GPT OSS 120B
Average Score:21.6%
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 OSS 120B
5 providers
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DeepSeek-V3.1
Avg Score:46.7%(+25.1%)
Providers:2
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GPT OSS 120B
Avg Score:21.6%
Providers:5