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OpenAI o4 Mini HighvsClaude Haiku 4.5

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
Claude Haiku 4.5

Claude Haiku 4.5

anthropicOct 2025
B
200,000k
large
conversationreasoningcode generation+2

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