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GPT-4o (Omni)vsGPT OSS 20B

Comparing across 35 challenges

2 Models Selected
Comparison Active
GPT-4o (Omni)

GPT-4o (Omni)

openaiMay 2024
A
1.8T
128,000k
xlarge
conversationreasoninganalysis+2
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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