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OpenAI o3vsOpenAI Codex Mini

Comparing across 10 challenges

2 Models Selected
Comparison Active
OpenAI o3

OpenAI o3

openaiApr 2025
A
Not disclosed
xlarge
conversationreasoningcode generation+2
OpenAI Codex Mini

OpenAI Codex Mini

openaiMay 2025
B
Not disclosed
200,000k
medium
code generationconversationanalysis

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