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OpenAI o3vsxAI: Grok 4

Comparing across 25 challenges

2 Models Selected
Comparison Active
OpenAI o3

OpenAI o3

openaiApr 2025
A
Not disclosed
xlarge
conversationreasoningcode generation+2
xAI: Grok 4

xAI: Grok 4

xaiJul 2025
B
Not disclosed
256,000k
large
conversationreasoningcode generation+1

Battle Arena

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