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Claude Opus 4.1vsKimi K2 Thinking

Comparing across 11 challenges

2 Models Selected
Comparison Active
Claude Opus 4.1

Claude Opus 4.1

anthropicAug 2025
A
Not disclosed
200,000k
xlarge
conversationreasoningcode generation+3
Kimi K2 Thinking

Kimi K2 Thinking

moonshotaiNov 2025
B
1T (32B active)
262,144k
xlarge
conversationreasoningcode generation+2

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