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Claude Opus 4vsGPT OSS 120B

Comparing across 25 challenges

2 Models Selected
Comparison Active
Claude Opus 4

Claude Opus 4

anthropicMay 2025
A
Not disclosed
200,000k
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conversationreasoningcode generation+3
GPT OSS 120B

GPT OSS 120B

openaiAug 2025
B
117B total (5.1B active per forward pass)
131,072k
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conversationreasoningcode generation+3

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