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Claude 3 OpusvsxAI: Grok 4 Fast (free)

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
xAI: Grok 4 Fast (free)

xAI: Grok 4 Fast (free)

xaiSep 2025
B
Not disclosed
2,000,000k
large
conversationanalysiscode generation

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