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xAI: Grok 4 Fast (free)vsGPT-5 Nano

Comparing across 35 challenges

2 Models Selected
Comparison Active
xAI: Grok 4 Fast (free)

xAI: Grok 4 Fast (free)

xaiSep 2025
A
Not disclosed
2,000,000k
large
conversationanalysiscode generation
GPT-5 Nano

GPT-5 Nano

openaiAug 2025
B
small
conversationreasoningcode generation+1

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