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Claude 3 OpusvsGPT-5 Nano

Comparing across 11 challenges

2 Models Selected
Comparison Active
Claude 3 Opus

Claude 3 Opus

anthropicMar 2024
A
Not disclosed
200,000k
xlarge
conversationreasoningcode generation+1
GPT-5 Nano

GPT-5 Nano

openaiAug 2025
B
small
conversationreasoningcode generation+1

Battle Arena

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