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GPT OSS 20B vs Nova Pro
Comprehensive side-by-side LLM comparison
Nova Pro leads with 50.3% higher average benchmark score. Nova Pro offers 337.9K more tokens in context window than GPT OSS 20B. GPT OSS 20B is $3.75 cheaper per million tokens. Nova Pro supports multimodal inputs. GPT OSS 20B is available on 4 providers. Overall, Nova Pro is the stronger choice for coding tasks.
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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.
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Amazon
Nova Pro is a multimodal language model developed by Amazon. It achieves strong performance with an average score of 73.2% across 27 benchmarks. It excels particularly in ARC-C (94.8%), GSM8k (94.8%), DocVQA (93.5%). It supports a 600K 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 2024, it represents Amazon's latest advancement in AI technology.
8 months newer
Nova Pro
Amazon
2024-11-20
GPT OSS 20B
OpenAI
2025-08-05
Pricing Comparison
Cost per million tokens (USD)
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GPT OSS 20B
Input:$0.05
Output:$0.20($3.75 cheaper)
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Nova Pro
Input:$0.80
Output:$3.20
Performance Metrics
Context window and performance specifications
Average performance across 32 common benchmarks
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GPT OSS 20B
Average Score:11.4%
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Nova Pro
Average Score:61.8%(+50.3%)
Provider Availability & Performance
Available providers and their performance metrics
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GPT OSS 20B
4 providers
Groq
Throughput: 1000 tok/s
Latency: 0.38ms
Novita
OpenAI
Throughput: 115 tok/s
Latency: 5.2ms
ZeroEval
Throughput: 1000 tok/s
Latency: 0.38ms
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GPT OSS 20B
Avg Score:11.4%
Providers:4
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Nova Pro
Avg Score:61.8%(+50.3%)
Providers:1