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Claude 3.7 Sonnet vs GPT OSS 120B
Comprehensive side-by-side LLM comparison
Claude 3.7 Sonnet leads with 9.0% higher average benchmark score. Claude 3.7 Sonnet offers 65.9K more tokens in context window than GPT OSS 120B. GPT OSS 120B is $17.46 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 represents Anthropic's first hybrid reasoning model, capable of producing near-instant responses or extended step-by-step thinking that is visible to users. Developed with particularly strong improvements in coding and front-end web development, it allows users to control thinking budgets and balances real-world task performance with reasoning capabilities for enterprise applications.
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OpenAI
GPT-OSS 120B was developed as an open-source model release from OpenAI, designed to provide the research and developer community with access to a capable language model. Built with 120 billion parameters, it enables experimentation, fine-tuning, and deployment in contexts where open-source licensing and transparency are valued.
5 months newer
Claude 3.7 Sonnet
Anthropic
2025-02-24
GPT OSS 120B
OpenAI
2025-08-05
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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 120B
Input:$0.09
Output:$0.45($17.46 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude 3.7 Sonnet
Average Score:83.0%(+9.0%)
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GPT OSS 120B
Average Score:74.0%
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:83.0%(+9.0%)
Providers:4
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GPT OSS 120B
Avg Score:74.0%
Providers:5