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OpenAI o4 Mini HighvsGPT OSS 20B

Comparing across 28 challenges

2 Models Selected
Comparison Active
OpenAI o4 Mini High

OpenAI o4 Mini High

openaiApr 2025
A
Not disclosed
200,000k
medium
conversationreasoningcode generation+1
GPT OSS 20B

GPT OSS 20B

openaiAug 2025
B
21B total (3.6B active per forward pass)
131,072k
large
conversationreasoningcode generation+4

Battle Arena

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