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Claude 2vsClaude Haiku 4.5

Comparing across 6 challenges

2 Models Selected
Comparison Active
Claude 2

Claude 2

anthropicJun 2023
A
Not disclosed
100,000k
large
conversationreasoninganalysis+1
Claude Haiku 4.5

Claude Haiku 4.5

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

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