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Claude 3.7 Sonnet vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
Claude 3.7 Sonnet leads with 28.1% higher average benchmark score. Claude 3.7 Sonnet offers 65.9K more tokens in context window than GPT OSS 20B. GPT OSS 20B is $17.75 cheaper per million tokens. Claude 3.7 Sonnet supports multimodal inputs. Overall, Claude 3.7 Sonnet is the stronger choice for coding tasks.
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Anthropic
Claude 3.7 Sonnet is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 74.1% across 11 benchmarks. It excels particularly in MATH-500 (96.2%), IFEval (93.2%), MMMLU (86.1%). It supports a 328K token context window for handling large documents. The model is available through 4 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic'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.
5 months newer
Claude 3.7 Sonnet
Anthropic
2025-02-24
GPT OSS 20B
OpenAI
2025-08-05
Pricing Comparison
Cost per million tokens (USD)
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Claude 3.7 Sonnet
Input:$3.00
Output:$15.00
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GPT OSS 20B
Input:$0.05
Output:$0.20($17.75 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 16 common benchmarks
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Claude 3.7 Sonnet
Average Score:50.9%(+28.1%)
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GPT OSS 20B
Average Score:22.9%
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.7 Sonnet
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.7 Sonnet
Avg Score:50.9%(+28.1%)
Providers:4
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GPT OSS 20B
Avg Score:22.9%
Providers:4