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Claude 2vsClaude Opus 4

Comparing across 5 challenges

2 Models Selected
Comparison Active
Claude 2

Claude 2

anthropicJun 2023
A
Not disclosed
100,000k
large
conversationreasoninganalysis+1
Claude Opus 4

Claude Opus 4

anthropicMay 2025
B
Not disclosed
200,000k
xlarge
conversationreasoningcode generation+3

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