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GPT-4.5vsKimi K2 Thinking

Comparing across 12 challenges

2 Models Selected
Comparison Active
GPT-4.5

GPT-4.5

openaiFeb 2025
A
Not disclosed
128,000k
xlarge
conversationreasoningcode generation+2
Kimi K2 Thinking

Kimi K2 Thinking

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

Battle Arena

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