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ChatGPT-4o (March 2025)vsClaude Opus 4.1

Comparing across 6 challenges

2 Models Selected
Comparison Active
ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

openaiMar 2025
A
Not disclosed
128,000k
xlarge
conversationreasoninganalysis+1
Claude Opus 4.1

Claude Opus 4.1

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

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