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ChatGPT-4o (March 2025)vsGPT OSS 120B

Comparing across 14 challenges

2 Models Selected
Comparison Active
ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

openaiMar 2025
A
Not disclosed
128,000k
xlarge
conversationreasoninganalysis+1
GPT OSS 120B

GPT OSS 120B

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

Battle Arena

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