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GPT-4.1 NanovsClaude Opus 4.1

Comparing across 9 challenges

2 Models Selected
Comparison Active
GPT-4.1 Nano

GPT-4.1 Nano

openaiApr 2025
A
Not disclosed
1,047,576k
small
conversationreasoningcode generation+1
Claude Opus 4.1

Claude Opus 4.1

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

Battle Arena

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