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Claude Sonnet 4vsGPT-5 Nano

Comparing across 22 challenges

2 Models Selected
Comparison Active
Claude Sonnet 4

Claude Sonnet 4

anthropicMay 2025
A
Not disclosed
200,000k
large
conversationreasoningcode generation+3
GPT-5 Nano

GPT-5 Nano

openaiAug 2025
B
small
conversationreasoningcode generation+1

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