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Claude 3.7 Sonnet vs GPT-OSS-120B
Comprehensive side-by-side LLM comparison
Claude 3.7 Sonnet offers 131.9K more tokens in context window than GPT-OSS-120B. Claude 3.7 Sonnet is $Infinity cheaper per million tokens. Claude 3.7 Sonnet supports multimodal inputs. Claude 3.7 Sonnet is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Sonnet 3.7, released by Anthropic in February 2025, is a large language model from the Claude 3 family featuring hybrid reasoning with configurable extended thinking. It supports a 200K token context window, 64K maximum output tokens (128K in beta), and native image understanding. Sonnet 3.7 targets complex coding, mathematics, and scientific reasoning tasks where extended chain-of-thought processing provides meaningful improvements in output quality.
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OpenAI
GPT-OSS-120B, released by OpenAI in August 2025, is an open-weight large language model with 120 billion parameters distributed under the Apache 2.0 license. It represents OpenAI's entry into the open-source model space, enabling developers to self-host and fine-tune a GPT-5-generation-class model. GPT-OSS-120B targets research applications, on-premises deployments, and custom fine-tuning workflows requiring a large open-weight base model.
5 months newer
Claude 3.7 Sonnet
Anthropic
2025-02-24
GPT-OSS-120B
OpenAI
2025-08
Pricing Comparison
Cost per million tokens (USD)
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Claude 3.7 Sonnet
Input:$3.00
Output:$15.00($Infinity cheaper)
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GPT-OSS-120B
Input:$Infinity
Output:$Infinity
Performance Metrics
Context window and performance specifications
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Knowledge Cutoff
Training data recency comparison
Claude 3.7 Sonnet
2024-10
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.7 Sonnet
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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GPT-OSS-120B
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Claude 3.7 Sonnet
Avg Score:0.0%
Providers:3
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GPT-OSS-120B
Avg Score:0.0%
Providers:1