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DeepSeek-V3 vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
DeepSeek-V3 leads with 39.1% higher average benchmark score. GPT OSS 20B is $1.12 cheaper per million tokens. GPT OSS 20B is available on 4 providers. Overall, DeepSeek-V3 is the stronger choice for coding tasks.
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DeepSeek
DeepSeek-V3 is a language model developed by DeepSeek. It achieves strong performance with an average score of 67.2% across 20 benchmarks. It excels particularly in DROP (91.6%), CLUEWSC (90.9%), MATH-500 (90.2%). It supports a 262K token context window for handling large documents. The model is available through 1 API provider. Released in 2024, it represents DeepSeek's latest advancement in AI technology.
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OpenAI
GPT OSS 20B is a language model developed by OpenAI. The model shows competitive results across 7 benchmarks. It excels particularly in MMLU (85.3%), CodeForces (83.9%), GPQA (71.5%). It supports a 262K token context window for handling large documents. The model is available through 4 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.
7 months newer
DeepSeek-V3
DeepSeek
2024-12-25
GPT OSS 20B
OpenAI
2025-08-05
Pricing Comparison
Cost per million tokens (USD)
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DeepSeek-V3
Input:$0.27
Output:$1.10
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GPT OSS 20B
Input:$0.05
Output:$0.20($1.12 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 25 common benchmarks
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DeepSeek-V3
Average Score:53.7%(+39.1%)
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GPT OSS 20B
Average Score:14.6%
Provider Availability & Performance
Available providers and their performance metrics
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DeepSeek-V3
1 providers
DeepSeek
Throughput: 100 tok/s
Latency: 0.5ms
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GPT OSS 20B
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DeepSeek-V3
Avg Score:53.7%(+39.1%)
Providers:1
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GPT OSS 20B
Avg Score:14.6%
Providers:4